increase target sdk version for tablets

AndroidManifest.xml

@@ -4,7 +4,8 @@
       android:versionCode="9"
       android:versionName="0.8">
 
-    <uses-sdk android:minSdkVersion="3" />
+    <uses-sdk android:minSdkVersion="3"
+	android:targetSdkVersion="8" />
 
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>