diff --git a/.gitignore b/.gitignore
index fef368c3ceeb41d16390df60bdf9cd1b0c26634b..bbf307cd06a4ef697e37e0d160c9d7c77d426996 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,9 +22,6 @@
 # ProBuilder/ProGrid files
 [Aa]ssets/ProCore/
 
-#StreamingAssetsFolder
-[Aa]ssets/StreamingAssets
-
 # Autogenerated Jetbrains Rider plugin
 [Aa]ssets/Plugins/Editor/JetBrains*
 
diff --git a/Assets/Scenes/Release/TreeWorld_Release_02.unity b/Assets/Scenes/Release/TreeWorld_Release_02.unity
index 30a748d65beaea0c03b491c529787e0ee52c4864..303118f9c1ff486f72b688191979dd25ab0d1697 100644
--- a/Assets/Scenes/Release/TreeWorld_Release_02.unity
+++ b/Assets/Scenes/Release/TreeWorld_Release_02.unity
@@ -44133,7 +44133,7 @@ PrefabInstance:
     - target: {fileID: 798194300310305303, guid: b996060e27da25c498842defc1996d84,
         type: 3}
       propertyPath: m_AnchoredPosition.x
-      value: 0
+      value: -0.00024414062
       objectReference: {fileID: 0}
     - target: {fileID: 798194301124356650, guid: b996060e27da25c498842defc1996d84,
         type: 3}
diff --git a/Assets/Scripts/InventoryStuff/DisplayScrolls.cs b/Assets/Scripts/InventoryStuff/DisplayScrolls.cs
index 9d31aa2ed098ce491d5e1dddadabc99fee58e5f4..32227f0a2c0d666037e14bdfa91818b7f7267ea0 100644
--- a/Assets/Scripts/InventoryStuff/DisplayScrolls.cs
+++ b/Assets/Scripts/InventoryStuff/DisplayScrolls.cs
@@ -64,7 +64,7 @@ IEnumerator getScrollsfromServer() {
         if (request.isNetworkError || request.isHttpError)
         {
             Debug.LogWarning(request.error);
-            string jsonString = File.ReadAllText(Application.dataPath + "/scrolls.json");
+            string jsonString = File.ReadAllText(Application.streamingAssetsPath + "/scrolls.json");
             Debug.Log(jsonString);
             BuildScrolls(jsonString);
         }
@@ -72,7 +72,10 @@ IEnumerator getScrollsfromServer() {
         {
             CommunicationEvents.ServerRunning = true;
             string jsonString = request.downloadHandler.text;
-            Debug.Log(jsonString);
+            Debug.Log("JsonString from Server: \n" + jsonString);
+            if(jsonString.Equals("[]"))
+                jsonString = File.ReadAllText(Application.streamingAssetsPath + "/scrolls.json");
+            Debug.Log("Used JsonString: \n" + jsonString);
             //scroll display not yet implemented;
             //buildScrollSelection(jsonString);
             BuildScrolls(jsonString);
diff --git a/Assets/Scripts/Restart.cs b/Assets/Scripts/Restart.cs
index 2ae23b0efaf5a01bf7c598685611aa738c580ec7..830a318b001f1691c439555d070a77a502b99082 100644
--- a/Assets/Scripts/Restart.cs
+++ b/Assets/Scripts/Restart.cs
@@ -1,12 +1,18 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
+using UnityEngine;
+using static StartServer;
 
 public class Restart : MonoBehaviour
 {
     public void LoadStartScreen()
     {
+        process.Kill();
+        Level.solved = false;
         CommunicationEvents.Facts.Clear();
         UnityEngine.SceneManagement.SceneManager.LoadScene(0);
     }
+
+    public void OnApplicationQuit()
+    {
+        process.Kill();
+    }
 }
diff --git a/Assets/Scripts/StartServer.cs b/Assets/Scripts/StartServer.cs
index 5d0b2ac66e026dea7c6f044c4267c542258b56b5..ae9af88b25d7723bd284c8e84132ec8b33f0cedc 100644
--- a/Assets/Scripts/StartServer.cs
+++ b/Assets/Scripts/StartServer.cs
@@ -11,7 +11,10 @@ public class StartServer : MonoBehaviour
    [SerializeField]
     TMPro.TextMeshProUGUI WaitingText;
 
-    
+    public static Process process;
+    public static ProcessStartInfo processInfo;
+
+
     // Start is called before the first frame update
     void Start()
     {
@@ -85,9 +88,6 @@ IEnumerator ServerRoutine()
 
 
 #if!UNITY_WEBGL
-            //   int exitCode;
-            ProcessStartInfo processInfo;
-            Process process;
 
 
 #if UNITY_STANDALONE_LINUX
@@ -121,20 +121,12 @@ IEnumerator ServerRoutine()
             process = Process.Start(proc);
 
 #else
-            string command = "";
-            command = "\"" + Application.streamingAssetsPath + "\"/start.BAT " + "\"" + Application.streamingAssetsPath + "\"";
-            command = command.Replace("/", @"\");
-            command = "\"" + command + "\"";
-
-
-            processInfo = new ProcessStartInfo("cmd.exe", "/c " + command);
-            processInfo.CreateNoWindow = false;
-            processInfo.UseShellExecute = true;
-            // *** Redirect the output ***
-            // processInfo.RedirectStandardError = true;
-            //processInfo.RedirectStandardOutput = true;
-
-
+            processInfo = new ProcessStartInfo();
+            processInfo.FileName = "java";
+            processInfo.Arguments = @"-jar " + Application.streamingAssetsPath + "/frameit.jar" + " -bind :8085 -archive-root " + Application.streamingAssetsPath + "/archives";
+            //set "UseShellExecute = true" AND "CreateNoWindow = false" to see the mmt-server output
+            processInfo.UseShellExecute = false;
+            processInfo.CreateNoWindow = true;
 
             process = Process.Start(processInfo);
 #endif
@@ -169,10 +161,6 @@ IEnumerator ServerRoutine()
             //  Console.WriteLine("output>>" + (String.IsNullOrEmpty(output) ? "(none)" : output));
             // Console.WriteLine("error>>" + (String.IsNullOrEmpty(error) ? "(none)" : error));
             // Console.WriteLine("ExitCode: " + exitCode.ToString(), "ExecuteCommand");
-#if !UNITY_WEBGL
-
-            process.Close();
-#endif
         }
 
         PrepareGame();
diff --git a/Assets/StreamingAssets.meta b/Assets/StreamingAssets.meta
new file mode 100644
index 0000000000000000000000000000000000000000..d1dc52d2ff15e760d0aaead1b87066b13fca58af
--- /dev/null
+++ b/Assets/StreamingAssets.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: b50933d8f78b79044977f61539ac1b40
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/StreamingAssets/scrolls.json b/Assets/StreamingAssets/scrolls.json
new file mode 100644
index 0000000000000000000000000000000000000000..0666f7109f68165a286348d90b60eef49c00f795
--- /dev/null
+++ b/Assets/StreamingAssets/scrolls.json
@@ -0,0 +1,1232 @@
+[
+    {
+        "ref": "http://mathhub.info/FrameIT/frameworld?Midpoint",
+        "label": "MidPoint",
+        "description": "Our MidPoint scroll that given two points P and Q computes the midpoint of the line PQ.",
+        "requiredFacts": [
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?P"
+                },
+                "label": "P",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": null,
+                "kind": "general"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?Q"
+                },
+                "label": "Q",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": null,
+                "kind": "general"
+            }
+        ],
+        "acquiredFacts": [
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Solution?midpoint"
+                },
+                "label": "Mid[PQ]",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": {
+                    "applicant": {
+                        "uri": "http://gl.mathhub.info/MMT/LFX/Sigma?Symbols?Tuple",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "applicant": {
+                                "uri": "http://mathhub.info/MitM/core/arithmetics?RealArithmetics?multiplication",
+                                "kind": "OMS"
+                            },
+                            "arguments": [
+                                {
+                                    "float": 0.5,
+                                    "kind": "OMF"
+                                },
+                                {
+                                    "applicant": {
+                                        "uri": "http://mathhub.info/MitM/core/arithmetics?RealArithmetics?addition",
+                                        "kind": "OMS"
+                                    },
+                                    "arguments": [
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?xofpoint",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?P",
+                                                    "kind": "OMS"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        },
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?xofpoint",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?Q",
+                                                    "kind": "OMS"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                }
+                            ],
+                            "kind": "OMA"
+                        },
+                        {
+                            "applicant": {
+                                "uri": "http://mathhub.info/MitM/core/arithmetics?RealArithmetics?multiplication",
+                                "kind": "OMS"
+                            },
+                            "arguments": [
+                                {
+                                    "float": 0.5,
+                                    "kind": "OMF"
+                                },
+                                {
+                                    "applicant": {
+                                        "uri": "http://mathhub.info/MitM/core/arithmetics?RealArithmetics?addition",
+                                        "kind": "OMS"
+                                    },
+                                    "arguments": [
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?yofpoint",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?P",
+                                                    "kind": "OMS"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        },
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?yofpoint",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?Q",
+                                                    "kind": "OMS"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                }
+                            ],
+                            "kind": "OMA"
+                        },
+                        {
+                            "applicant": {
+                                "uri": "http://mathhub.info/MitM/core/arithmetics?RealArithmetics?multiplication",
+                                "kind": "OMS"
+                            },
+                            "arguments": [
+                                {
+                                    "float": 0.5,
+                                    "kind": "OMF"
+                                },
+                                {
+                                    "applicant": {
+                                        "uri": "http://mathhub.info/MitM/core/arithmetics?RealArithmetics?addition",
+                                        "kind": "OMS"
+                                    },
+                                    "arguments": [
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?zofpoint",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?P",
+                                                    "kind": "OMS"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        },
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?zofpoint",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "uri": "http://mathhub.info/FrameIT/frameworld?Midpoint/Problem?Q",
+                                                    "kind": "OMS"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                }
+                            ],
+                            "kind": "OMA"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "kind": "general"
+            }
+        ]
+    },
+    {
+        "ref": "http://mathhub.info/FrameIT/frameworld?OppositeLen",
+        "label": "OppositeLen",
+        "description": "Given a triangle △ABC right-angled at ⊾C, the opposide side has length CA = tan(∠ABC) ⋅ BC.",
+        "requiredFacts": [
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?A"
+                },
+                "label": "A",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": null,
+                "kind": "general"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?B"
+                },
+                "label": "B",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": null,
+                "kind": "general"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?C"
+                },
+                "label": "C",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": null,
+                "kind": "general"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem_RightAngleAtC?rightAngleC"
+                },
+                "label": "⊾C",
+                "tp": {
+                    "applicant": {
+                        "uri": "http://mathhub.info/MitM/Foundation?Logic?ded",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "applicant": {
+                                "uri": "http://mathhub.info/MitM/Foundation?Logic?eq",
+                                "kind": "OMS"
+                            },
+                            "arguments": [
+                                {
+                                    "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                                    "kind": "OMS"
+                                },
+                                {
+                                    "applicant": {
+                                        "uri": "http://mathhub.info/MitM/core/geometry?Geometry/Common?angle_between",
+                                        "kind": "OMS"
+                                    },
+                                    "arguments": [
+                                        {
+                                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?B",
+                                            "kind": "OMS"
+                                        },
+                                        {
+                                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?C",
+                                            "kind": "OMS"
+                                        },
+                                        {
+                                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?A",
+                                            "kind": "OMS"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                },
+                                {
+                                    "float": 90.0,
+                                    "kind": "OMF"
+                                }
+                            ],
+                            "kind": "OMA"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "df": null,
+                "kind": "general"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen/Problem?distanceBC"
+                },
+                "label": "BC",
+                "lhs": {
+                    "applicant": {
+                        "uri": "http://mathhub.info/MitM/core/geometry?Geometry/Common?metric",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?B",
+                            "kind": "OMS"
+                        },
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?C",
+                            "kind": "OMS"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "valueTp": {
+                    "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                    "kind": "OMS"
+                },
+                "value": null,
+                "proof": null,
+                "kind": "veq"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem_AngleAtB?angleB"
+                },
+                "label": "∠ABC",
+                "lhs": {
+                    "applicant": {
+                        "uri": "http://mathhub.info/MitM/core/geometry?Geometry/Common?angle_between",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?A",
+                            "kind": "OMS"
+                        },
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?B",
+                            "kind": "OMS"
+                        },
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?C",
+                            "kind": "OMS"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "valueTp": {
+                    "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                    "kind": "OMS"
+                },
+                "value": null,
+                "proof": null,
+                "kind": "veq"
+            }
+        ],
+        "acquiredFacts": [
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen/Solution?deducedLineCA"
+                },
+                "label": "CA",
+                "lhs": {
+                    "applicant": {
+                        "uri": "http://mathhub.info/MitM/core/geometry?Geometry/Common?metric",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?C",
+                            "kind": "OMS"
+                        },
+                        {
+                            "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?A",
+                            "kind": "OMS"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "valueTp": {
+                    "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                    "kind": "OMS"
+                },
+                "value": {
+                    "applicant": {
+                        "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?times_real_lit",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "applicant": {
+                                "uri": "http://mathhub.info/MitM/Foundation?Trigonometry?tan",
+                                "kind": "OMS"
+                            },
+                            "arguments": [
+                                {
+                                    "xml": "no raw OMDoc XML here for performance reasons",
+                                    "kind": "RAW"
+                                }
+                            ],
+                            "kind": "OMA"
+                        },
+                        {
+                            "xml": "no raw OMDoc XML here for performance reasons",
+                            "kind": "RAW"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "proof": {
+                    "applicant": {
+                        "uri": "http://mathhub.info/MitM/Foundation?InformalProofs?proofsketch",
+                        "kind": "OMS"
+                    },
+                    "arguments": [
+                        {
+                            "applicant": {
+                                "uri": "http://mathhub.info/MitM/Foundation?Logic?eq",
+                                "kind": "OMS"
+                            },
+                            "arguments": [
+                                {
+                                    "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                                    "kind": "OMS"
+                                },
+                                {
+                                    "applicant": {
+                                        "uri": "http://mathhub.info/MitM/Foundation?DescriptionOperator?that",
+                                        "kind": "OMS"
+                                    },
+                                    "arguments": [
+                                        {
+                                            "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                                            "kind": "OMS"
+                                        },
+                                        {
+                                            "xml": "no raw OMDoc XML here for performance reasons",
+                                            "kind": "RAW"
+                                        },
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/Foundation?Logic?ImplicitProof",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "applicant": {
+                                                        "uri": "http://mathhub.info/MitM/Foundation?Logic?exists",
+                                                        "kind": "OMS"
+                                                    },
+                                                    "arguments": [
+                                                        {
+                                                            "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
+                                                            "kind": "OMS"
+                                                        },
+                                                        {
+                                                            "xml": "no raw OMDoc XML here for performance reasons",
+                                                            "kind": "RAW"
+                                                        }
+                                                    ],
+                                                    "kind": "OMA"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                },
+                                {
+                                    "applicant": {
+                                        "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?times_real_lit",
+                                        "kind": "OMS"
+                                    },
+                                    "arguments": [
+                                        {
+                                            "applicant": {
+                                                "uri": "http://mathhub.info/MitM/Foundation?Trigonometry?tan",
+                                                "kind": "OMS"
+                                            },
+                                            "arguments": [
+                                                {
+                                                    "xml": "no raw OMDoc XML here for performance reasons",
+                                                    "kind": "RAW"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        },
+                                        {
+                                            "xml": "no raw OMDoc XML here for performance reasons",
+                                            "kind": "RAW"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                }
+                            ],
+                            "kind": "OMA"
+                        },
+                        {
+                            "string": "OppositeLen Scroll",
+                            "kind": "OMSTR"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "kind": "veq"
+            }
+        ]
+    },
+    {
+        "ref": "http://mathhub.info/FrameIT/frameworld?AngleSum",
+        "label": "AngleSum",
+        "description": "Given a triangle △ABC and two known angles, we can deduce the missing angle by: ∠BCA = 180° - ∠BAC - ∠ABC.",
+        "requiredFacts": [
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?A"
+                },
+                "label": "A",
+                "tp": {
+                    "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
+                    "kind": "OMS"
+                },
+                "df": null,
+                "kind": "general"
+            },
+            {
+                "ref": {
+                    "uri": "http://mathhub.info/FrameIT/frameworld?TriangleProblem?B"
+                },
+                "label": "B",
+                "tp": {
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+                                                    "xml": "no raw OMDoc XML here for performance reasons",
+                                                    "kind": "RAW"
+                                                }
+                                            ],
+                                            "kind": "OMA"
+                                        }
+                                    ],
+                                    "kind": "OMA"
+                                }
+                            ],
+                            "kind": "OMA"
+                        },
+                        {
+                            "string": "By sum of interior angles = 180° in triangles",
+                            "kind": "OMSTR"
+                        }
+                    ],
+                    "kind": "OMA"
+                },
+                "kind": "veq"
+            }
+        ]
+    }
+]
\ No newline at end of file
diff --git a/Assets/scrolls.json.meta b/Assets/StreamingAssets/scrolls.json.meta
similarity index 62%
rename from Assets/scrolls.json.meta
rename to Assets/StreamingAssets/scrolls.json.meta
index 076ba2dd81b886e238dcc7df3b8b89b77b53b59b..4665eb1c42210200a9e2e27bc0f114a2a36431b0 100644
--- a/Assets/scrolls.json.meta
+++ b/Assets/StreamingAssets/scrolls.json.meta
@@ -1,6 +1,6 @@
 fileFormatVersion: 2
-guid: 4069fe7e4a7672e47834935275b3aa8c
-TextScriptImporter:
+guid: 610110843770eb7468fad8b79ec7fdfa
+DefaultImporter:
   externalObjects: {}
   userData: 
   assetBundleName: 
diff --git a/Assets/scrolls.json b/Assets/scrolls.json
deleted file mode 100644
index adfe310e0415e0419751fc8a4a24f338e051a134..0000000000000000000000000000000000000000
--- a/Assets/scrolls.json
+++ /dev/null
@@ -1,248 +0,0 @@
-[
-    {
-        "problemTheory": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem",
-        "solutionTheory": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Solution",
-        "label": "OppositeLen",
-        "description": "Given a triangle $0$1$2 right angled at $2, the distance $0$1 can be computed from the angle at $1 and the distance $1$2",
-        "requiredFacts": [
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pA",
-                "label": "a",
-                "tp": {
-                    "original": {
-                        "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
-                        "kind": "OMS"
-                    },
-                    "simplified": {
-                        "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
-                        "kind": "OMS"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                "label": "b",
-                "tp": {
-                    "original": {
-                        "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
-                        "kind": "OMS"
-                    },
-                    "simplified": {
-                        "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
-                        "kind": "OMS"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                "label": "c",
-                "tp": {
-                    "original": {
-                        "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
-                        "kind": "OMS"
-                    },
-                    "simplified": {
-                        "uri": "http://mathhub.info/MitM/core/geometry?3DGeometry?point",
-                        "kind": "OMS"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pdistBC_v",
-                "label": "pdist$1$2_v",
-                "tp": {
-                    "original": {
-                        "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
-                        "kind": "OMS"
-                    },
-                    "simplified": {
-                        "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
-                        "kind": "OMS"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pdistBC",
-                "label": "pdistt$1$2",
-                "tp": {
-                    "original": {
-                        "applicant": {
-                            "uri": "http://mathhub.info/FrameIT/frameworld?DistanceFact?distanceFact",
-                            "kind": "OMS"
-                        },
-                        "arguments": [
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pdistBC_v",
-                                "kind": "OMS"
-                            }
-                        ],
-                        "kind": "OMA"
-                    },
-                    "simplified": {
-                        "applicant": {
-                            "uri": "http://mathhub.info/FrameIT/frameworld?DistanceFact?distanceFact",
-                            "kind": "OMS"
-                        },
-                        "arguments": [
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pdistBC_v",
-                                "kind": "OMS"
-                            }
-                        ],
-                        "kind": "OMA"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pangleABC_v",
-                "label": "pangleAt$0$1$2_v",
-                "tp": {
-                    "original": {
-                        "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
-                        "kind": "OMS"
-                    },
-                    "simplified": {
-                        "uri": "http://mathhub.info/MitM/Foundation?RealLiterals?real_lit",
-                        "kind": "OMS"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pangleABC",
-                "label": "pangle$0$1$2",
-                "tp": {
-                    "original": {
-                        "applicant": {
-                            "uri": "http://mathhub.info/FrameIT/frameworld?AngleFact?angleFact",
-                            "kind": "OMS"
-                        },
-                        "arguments": [
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pA",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pangleABC_v",
-                                "kind": "OMS"
-                            }
-                        ],
-                        "kind": "OMA"
-                    },
-                    "simplified": {
-                        "applicant": {
-                            "uri": "http://mathhub.info/FrameIT/frameworld?AngleFact?angleFact",
-                            "kind": "OMS"
-                        },
-                        "arguments": [
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pA",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pangleABC_v",
-                                "kind": "OMS"
-                            }
-                        ],
-                        "kind": "OMA"
-                    }
-                },
-                "df": null
-            },
-            {
-                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pangleBCA",
-                "label": "pangle$1$2$0",
-                "tp": {
-                    "original": {
-                        "applicant": {
-                            "uri": "http://mathhub.info/FrameIT/frameworld?AngleFact?angleFact",
-                            "kind": "OMS"
-                        },
-                        "arguments": [
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pA",
-                                "kind": "OMS"
-                            },
-                            {
-                                "float": 90.0,
-                                "kind": "OMF"
-                            }
-                        ],
-                        "kind": "OMA"
-                    },
-                    "simplified": {
-                        "applicant": {
-                            "uri": "http://mathhub.info/FrameIT/frameworld?AngleFact?angleFact",
-                            "kind": "OMS"
-                        },
-                        "arguments": [
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pB",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pC",
-                                "kind": "OMS"
-                            },
-                            {
-                                "uri": "http://mathhub.info/FrameIT/frameworld?OppositeLen_Problem?pA",
-                                "kind": "OMS"
-                            },
-                            {
-                                "float": 90.0,
-                                "kind": "OMF"
-                            }
-                        ],
-                        "kind": "OMA"
-                    }
-                },
-                "df": null
-            }
-        ]
-    }
-]
\ No newline at end of file