Installation (valid for any wallpaper): 1. Download 2. Go to Home screen/Open menu/Wallpaper/Live wallpapers/Angel Of Darkness/ and press "Set wallpaper"
Note: This app is live wallpaper so you can't open the app you will need to follow the instruction above in order to set the wallpaper. Also slower/older devices (shipped with Android OS below 2.1) can't run it too. This free fan app is ad supported and may contain ads in the notification tray and/or home screen.