Tap on it then you will be able to move and scale the selected photo and then set it as wallpaper for iPhone Lock screen, Home screen, or both.
Also, it pauses wallpapers while playing games or using full-screen applications to reduce resource usage including memory.
If you don't see Set Desktop Picture in the shortcut menu, you should see a submenu named Services instead.
Moreover, did I tell you some of these apps are free as well? This unique screensaver exposes the very edge of heaven and features cutting-edge special effects and superior graphics.
That said, desktop wallpapers cannot be ignored, they mean different things to different people.
You do not need to be a graphic designer for you to do this.