Give your Android device a modern look. Choose from the largest cities in the world and bring them with this app on your smartphone. The cities are displayed on your home screen as a background. (This is a so-called live wallpaper of Android) All backgrounds are in 4K UHD (Ultra High Definition) resolution. This ensures optimum display on all devices. The background changes from day to night view. With numerous settings, you can configure the display according to your own wishes.