Reverted to vertical screen layout - horizontal layout still takes only half of screen for unknown reasons

alienblaster/AppSettings.cfg

@@ -1,6 +1,6 @@
 AppName="Alien Blaster"
 AppFullName=de.schwardtnet.alienblaster
-ScreenOrientation=h
+ScreenOrientation=v
 AppDataDownloadUrl="http://sites.google.com/site/xpelyax/Home/alienblaster110_data.zip?attredirects=0&d=1"
 DownloadToSdcard=n
 SdlVideoResize=y

alienblaster/project/AndroidManifest.xml

@@ -6,7 +6,7 @@
     <application android:label="@string/app_name">
         <activity android:name=".MainActivity"
                   android:label="@string/app_name"
-                  android:screenOrientation="landscape"
+                  android:screenOrientation="portrait"
         >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />