4D Clock Live Wallpapers Background 4K is a best wallpaper app and free live wallpaper, Live Wallpaper will make your phone screen specially and beautiful. It have lots of various wallpaper themes, there will definitely be a wallpaper theme you like, 3D themes will make your phone background look cool and dynamic, You can collect your favorite themes among the many wallpaper themes, so that the wallpaper can be updated and used, App is designed for any screen sizes android phone. Very easy to us