Please read the full description to avoid issues. This app requires KUSTOM LWP PRO to be installed on your device to be able to use it. Instructions to add a wallpaper: Install Kustom LWP Pro. Install Walled for KLWP. Open Kustom and select "load preset". Select R4 Extracted for KLWP and choose a preset. Select set kustom as wallpaper and apply.