Live wallpaper - 4K, HD & 4D is a free app with a large collection of 4K (UHD | Ultra HD) and Full HD (High Definition) wallpapers | backgrounds. We add new unique and top 4K wallpapers | Full HD wallpapers every day! This application is a great tool for 4K Backgrounds | Full HD Backgrounds This is a wallpaper store for users where they can experience a selection of the best backgrounds and creative wallpapers. The application is designed specifically for Android phones , so the application wil