diff --git a/Assets/ISG-ARF/Common_Application/Scenes/ExampleGLTF.unity b/Assets/ISG-ARF/Common_Application/Scenes/ExampleGLTF.unity
index 2f7eeaf6afc0f13e8296cb4ff49ff654e8a4425a..fcc6e2d9a650c6dd5463828dde21a27789ce4c0b 100644
--- a/Assets/ISG-ARF/Common_Application/Scenes/ExampleGLTF.unity
+++ b/Assets/ISG-ARF/Common_Application/Scenes/ExampleGLTF.unity
@@ -424,7 +424,7 @@ MonoBehaviour:
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   m_Name: 
   m_EditorClassIdentifier: 
-  _PathToGLTF: ARSceneOneAnchor.glb
+  _PathToGLTF: ARSceneThreeAnchor.glb
   _ValiditySubscription: 10000000
+  _DisableObjectWhenNotTracked: 1
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diff --git a/Assets/ISG-ARF/Common_Application/Scripts/SceneManagementGLTF.cs b/Assets/ISG-ARF/Common_Application/Scripts/SceneManagementGLTF.cs
index 07f3230faafdf22659ec57acf55d6793e08a4a4f..43f3a26c3e8b2e9d4495bcd69789997aefe96549 100644
--- a/Assets/ISG-ARF/Common_Application/Scripts/SceneManagementGLTF.cs
+++ b/Assets/ISG-ARF/Common_Application/Scripts/SceneManagementGLTF.cs
@@ -14,8 +14,12 @@ public class SceneManagementGLTF : MonoBehaviour
     /// <summary>
     /// Validity in milliseconds for a subscription to the WA
     /// </summary>
-    public int _ValiditySubscription = 100000; 
-    
+    public int _ValiditySubscription = 100000;
+    /// <summary>
+    /// If true : before first tracking, objects are hidden
+    /// </summary>
+    public bool _DisableObjectWhenNotTracked; 
+
     /// <summary>
     /// List of trackables and anchors in the AR Scene
     /// </summary>
@@ -33,6 +37,7 @@ public class SceneManagementGLTF : MonoBehaviour
         
         foreach(KeyValuePair<Guid , Transform> toSubscribe in m_trackablesAndAnchorsInARScene)
         {
+            toSubscribe.Value.gameObject.SetActive(!_DisableObjectWhenNotTracked); // disable object when not tracked
             int validity = _ValiditySubscription;
             Guid subscriptionUUID;
             // TODO : if only one : subscribeToPose, if multiple subscribetoPoses
@@ -58,6 +63,7 @@ public class SceneManagementGLTF : MonoBehaviour
             ETSI.ARF.OpenAPI.WorldAnalysis.VectorQuaternionPoseValue value = (ETSI.ARF.OpenAPI.WorldAnalysis.VectorQuaternionPoseValue)pose.Value;
             if (m_trackablesAndAnchorsInARScene.ContainsKey(pose.Uuid))
             {
+                m_trackablesAndAnchorsInARScene[pose.Uuid].transform.gameObject.SetActive(true);
                 m_trackablesAndAnchorsInARScene[pose.Uuid].transform.position =  WorldAnalysisUnityHelper.ConvertETSIVector3ToUnity(value.Position);
                 m_trackablesAndAnchorsInARScene[pose.Uuid].transform.rotation =  WorldAnalysisUnityHelper.ConvertETSIARFQuaternionToUnity(value.Rotation);
             }
diff --git a/Assets/ISG-ARF/Resources/WS/ARFWorldStorageServerOrange.asset b/Assets/ISG-ARF/Resources/WS/ARFWorldStorageServerOrange.asset
deleted file mode 100644
index 56afe688b308c33fe06b319dc9c0dcb3991e3d3d..0000000000000000000000000000000000000000
--- a/Assets/ISG-ARF/Resources/WS/ARFWorldStorageServerOrange.asset
+++ /dev/null
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deleted file mode 100644
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deleted file mode 100644
index 1f60e8f4f0df14a03d7c9b62627ab02b05978532..0000000000000000000000000000000000000000
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deleted file mode 100644
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diff --git a/Assets/Scenes/Scenes.unity.meta b/Assets/Scenes/Scenes.unity.meta
deleted file mode 100644
index 4392214104c8d724ea030c865728c707838df315..0000000000000000000000000000000000000000
--- a/Assets/Scenes/Scenes.unity.meta
+++ /dev/null
@@ -1,7 +0,0 @@
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diff --git a/Assets/StreamingAssets/ARSceneOneAnchor.glb b/Assets/StreamingAssets/ARSceneOneAnchor.glb
index e374d6fa5c34437c81b9e14347ec45dd7d8dbe3b..9465b951da881b73699cfe8925e228d3c7a31a79 100644
Binary files a/Assets/StreamingAssets/ARSceneOneAnchor.glb and b/Assets/StreamingAssets/ARSceneOneAnchor.glb differ
diff --git a/Assets/StreamingAssets/ARSceneThreeAnchor.glb b/Assets/StreamingAssets/ARSceneThreeAnchor.glb
index 73632db371f43b13f5e8a0f11e66e01bd99e826c..535299f261eecfaa660294f8f3784878035038fd 100644
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diff --git a/Packages/unity-world-analysis-arfoundation-wrapper-package b/Packages/unity-world-analysis-arfoundation-wrapper-package
index 355e03bcf54e7ebd9d6769e71f3dcc812c68d7f6..7aeed4c2c3bd363f816c34582c673d6b4b2073bf 160000
--- a/Packages/unity-world-analysis-arfoundation-wrapper-package
+++ b/Packages/unity-world-analysis-arfoundation-wrapper-package
@@ -1 +1 @@
-Subproject commit 355e03bcf54e7ebd9d6769e71f3dcc812c68d7f6
+Subproject commit 7aeed4c2c3bd363f816c34582c673d6b4b2073bf
diff --git a/Packages/unity-world-storage-package b/Packages/unity-world-storage-package
index 3ec771d8e1df26e750f93bab36d7c8b9def97bf7..a3687e09b8a3428cab2f13a63d50e77d81955dee 160000
--- a/Packages/unity-world-storage-package
+++ b/Packages/unity-world-storage-package
@@ -1 +1 @@
-Subproject commit 3ec771d8e1df26e750f93bab36d7c8b9def97bf7
+Subproject commit a3687e09b8a3428cab2f13a63d50e77d81955dee
diff --git a/README.md b/README.md
index 8a96da5b36a96f650736f7722933878258b5a758..2aa92b8c2cab18ffb5f897b049df0206e5b1894b 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,17 @@ or clone the repos updating the submodules directly:
 
     git clone --recurse-submodules https://labs.etsi.org/rep/arf/world-storage-api-helpers/unity-world-storage-editor.git
 
-Once it's done, you can open your project from the Unity Hub, the project was developed with Unity 2021.3
+Once it's done, you can open your project from the Unity Hub, the project was developed with Unity 2022.3
+
+
+## World Storage Editor 
+
+The WS Editor is responsible for editing the World Graph with the Trackables and World Anchors to which the AR content will be attached.
+
+To edit the World Storage use a World Storage Server Asset and then "Open World Storage Window" to access the server and then "Open World Representation Graph Window" to open the graph view.
+
+An example of server is available at https://etsi.hhi.fraunhofer.de and accessible through a dedicated asset in .\Assets\ISG-ARF\Resources\WS.ARFWorldStorageServer HHI
+
 
 ## World Analysis
 
@@ -34,7 +44,7 @@ The WA is responsible to compute the poses of the AR Scene nodes in reference to
 
 Two types of WA are available.
 * LOCAL_ARFOUNDATION corresponds to WA that runs locally based on Unity ARFoundation (ARKit on iOS and ARCore on Android)
-* REST corresponds to a remote WA (HHI or b<>com SolAR solution for instance).
+* REST corresponds to a remote WA. Examples of implementation include the spatial computing platforms from HHI or b<>com SolAR solution. Please contact them for additional information and for testing.
 
 To choose a given one use the WorldAnalysisInstance script on the ARFWorldAnalysis GameObject.
 
@@ -43,14 +53,21 @@ For a local WA, the information about the WS to retrieve Relocalization Informat
 A GameObject of the Unity Scene graph can be associated with a node (Trackable or WorldAnchor) of the World Storage with the AnchorTrackableReferenceNode script. You just have to associate the script with a given GameObject and specify the WS uuid of the corresponding Trackable or WorldAnchor.
 
 
-## Test Scene glTF
+## Samples
 
-This repo is used to demonstrate and to show the usage of the different World Analysis wrappers.
+### Server Maintenance
 
-A First Unity Scene can be found here:
-	.\Assets\Scenes\ExampleGLTF
+The repository includes examples on how to use the WS and WA components to develop a Unity application in the context of a data center server guidance and maintenance and use case.
+This use case has been adapted respectively by Orange (see .\Assets\ISG-ARF\Orange_Application) and the HHI (see .\Assets\ISG-ARF\HHI_Application). These applications are dedicated to specific physical places and are dependent to specific World Storage instances.
+Please contact them to have more information about how to adapt this use case to different places.
+
+
+### glTF Player
+
+To demonstrate simple examples the respository includes a sample based on the glTF format
+
+The sample can be found in
+	.\Assets\ISG-ARF\Common_Application\ExampleGLTF
 	
 The scene loads a GLTF file situated in the Unity persistent data path (streaming assets path in editor mode). Any node with the following pattern name: ws:"uuid" will correspond to an Anchor or Trackable in the World Storage and then will be updated by the loaded World Analysis wrapper.
-	
-
-# 
\ No newline at end of file
+As an example, based on the provided HHI server, ARSceneOneAnchor.glb found in the StreamingAssets can displayed on top of the following image : https://www.dropbox.com/scl/fi/jlswlf0rhgha3pfbf76ft/graf.png?rlkey=z3rtcvuzgl9m2k7s8td8kl2ls&st=a178iuvt&dl=0 (A4 format)
\ No newline at end of file