diff --git a/make-appdir.sh b/make-appdir.sh
index b9d1617..80fdf73 100755
--- a/make-appdir.sh
+++ b/make-appdir.sh
@@ -14,8 +14,8 @@ fi
 mkdir -p "$DEST"
 cp -a "$SRC/." "$DEST/"
 
-# Ensure launcher/binary exist
-if [ -f "$DEST/run-nebula.sh" ]; then
+# Ensure launcher/binary exist (prefer extracted run-nebula.sh as fallback)
+if [ -f "$DEST/run-nebula.sh" ] && [ ! -f "$DEST/Nebula" ]; then
   mv "$DEST/run-nebula.sh" "$DEST/Nebula" 2>/dev/null || true
 fi
 chmod +x "$DEST/Nebula" || true
@@ -76,14 +76,25 @@ if [ -f "$SCRIPT_DIR/appdir-example/nebula.desktop" ]; then
   cp "$SCRIPT_DIR/appdir-example/nebula.desktop" "$DEST/nebula.desktop"
   cp "$SCRIPT_DIR/appdir-example/nebula.desktop" "$DEST/usr/share/applications/nebula.desktop"
 fi
-# Ensure root launcher exists (from example if needed)
-if [ -f "$SCRIPT_DIR/appdir-example/Nebula" ]; then
-  cp "$SCRIPT_DIR/appdir-example/Nebula" "$DEST/Nebula"
-  chmod +x "$DEST/Nebula" || true
+# Ensure root launchers exist (from example if needed)
+if [ -f "$SCRIPT_DIR/appdir-example/Nebula-Desktop" ]; then
+  cp "$SCRIPT_DIR/appdir-example/Nebula-Desktop" "$DEST/Nebula-Desktop"
+  chmod +x "$DEST/Nebula-Desktop" || true
+fi
+if [ -f "$SCRIPT_DIR/appdir-example/Nebula-Controller" ]; then
+  cp "$SCRIPT_DIR/appdir-example/Nebula-Controller" "$DEST/Nebula-Controller"
+  chmod +x "$DEST/Nebula-Controller" || true
+fi
+# Fallback: create Nebula as symlink to Nebula-Desktop
+if [ ! -f "$DEST/Nebula" ] && [ -f "$DEST/Nebula-Desktop" ]; then
+  ln -sf "Nebula-Desktop" "$DEST/Nebula"
 fi
 
 # Fix permissions
 chmod -R a+r "$DEST/usr/share/icons/hicolor/256x256/apps" || true
-chmod +x "$DEST/Nebula" || true
+chmod +x "$DEST/Nebula" "$DEST/Nebula-Desktop" "$DEST/Nebula-Controller" || true
 
-echo "AppDir assembled at $DEST. Run with: $DEST/run-nebula.sh"
\ No newline at end of file
+echo "AppDir assembled at $DEST."
+echo "  Desktop mode:    $DEST/Nebula-Desktop"
+echo "  Controller mode: $DEST/Nebula-Controller"
+echo "  Default:         $DEST/Nebula (symlink to Nebula-Desktop)"
\ No newline at end of file
diff --git a/update-appdir.sh b/update-appdir.sh
index 6e9e34b..c5a1ef8 100755
--- a/update-appdir.sh
+++ b/update-appdir.sh
@@ -81,6 +81,23 @@ for file in "${FILES[@]}"; do
     fi
 done
 
+# Update main launcher scripts if present
+echo ""
+echo "🔄 Syncing launcher scripts..."
+for launcher in "Nebula-Desktop" "Nebula-Controller"; do
+    if [ -f "$SCRIPT_DIR/nebula-appdir/$launcher" ]; then
+        cp "$SCRIPT_DIR/nebula-appdir/$launcher" "$APPDIR_ROOT/$launcher"
+        chmod +x "$APPDIR_ROOT/$launcher" || true
+        echo "   ✓ $launcher"
+    fi
+done
+# Sync Nebula symlink if it exists
+if [ -L "$SCRIPT_DIR/nebula-appdir/Nebula" ]; then
+    rm -f "$APPDIR_ROOT/Nebula"
+    ln -sf "Nebula-Desktop" "$APPDIR_ROOT/Nebula"
+    echo "   ✓ Nebula (symlink)"
+fi
+
 # Sync directories
 echo ""
 echo "📁 Syncing directories..."