4K Wallpapers Auto Changer is a handy utility that can be used to set your home screen or lock screen as your new wallpaper. It has a simple user interface and supports many different file formats. You can also search for the images you need through the app's search function. There are various categories available and it's very easy to use.

The app can automatically change your wallpaper based on the time and date. It supports many different file formats and also offers a lot of customization options. The app is designed to provide you with the best quality images.

The app can also be used to change the background of your device.