4K Wallpapers (4K Backgrounds) is a free app that has a wide variety of 4K (UHD | Ultra HD) as well as Full HD (High Definition) wallpapers | backgrounds.

This app is a great tool for 4K backgrounds | Full HD Backgrounds and it is a wallpaper store for users where they can experience the best handpicked backgrounds and creative wallpapers. The app is designed for Android phones and tablets, so the app works on any screen size or screen resolution.