Downloading Zombie Rush : Extinction 9.0
1. Download APK first, then copy to your Android device's SD card
2. Install APK, DO NOT open app
3. Download obb files, then rename to 'main.9.com.MoolightGames.ZombieRush_Extinction.obb'
4. Copy obb file to /SDCARD/Android/obb/com.MoolightGames.ZombieRush_Extinction/main.9.com.MoolightGames.ZombieRush_Extinction.obb