diff --git a/android/source/AndroidManifest_quest.xml b/android/source/AndroidManifest_quest.xml
new file mode 100644
index 000000000000..f96b6494a1ab
--- /dev/null
+++ b/android/source/AndroidManifest_quest.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application>
+        <!-- set a default activity size of 1024x640,
+             see https://developers.meta.com/horizon/documentation/android-apps/panel-sizing -->
+        <activity
+            android:name=".LibreOfficeMainActivity">
+            <layout
+                android:defaultHeight="640dp"
+                android:defaultWidth="1024dp" />
+        </activity>
+        <activity android:name="org.libreoffice.ui.LibreOfficeUIActivity">
+            <layout
+                android:defaultHeight="640dp"
+                android:defaultWidth="1024dp" />
+        </activity>
+    </application>
+</manifest>
diff --git a/android/source/build.gradle b/android/source/build.gradle
index f2e4943056ac..2ee45b74d3b4 100644
--- a/android/source/build.gradle
+++ b/android/source/build.gradle
@@ -56,6 +56,7 @@ android {
         main.java.srcDirs = ['../Bootstrap/src', 'src/java']
         main.jniLibs.srcDirs = ["${liboJniLibsdir}"]
         main.assets.srcDirs 'assets_strippedUI'
+        quest.manifest.srcFile 'AndroidManifest_quest.xml'
     }
     defaultConfig {
         // minSdkVersion is set in liboSettings.gradle
@@ -84,6 +85,13 @@ android {
             dimension "default"
             buildConfigField 'boolean', 'ALLOW_EDITING', 'true'
         }
+
+        // product flavor for Meta Quest devices (Horizon OS)
+        quest {
+            dimension "default"
+            buildConfigField 'boolean', 'ALLOW_EDITING', 'false'
+        }
+
     }
     lint {
         warningsAsErrors = true