4K Wallpaper is a mobile image gallery and wallpaper system which run under Android platform that used for your own gallery and wallpaper application. With powerful and Responsive Admin Panel can manage unlimited category and image gallery, change user settings, etc. This application created by Android for client side and then PHP MySQL for Admin side. Run under Android platform which is the most popular operating system in the world. Using this application you can save your money and time in creating application for your own image gallery and wallpaper application.