Android devices come with a variety of wallpaper options, but how do you fit one onto your screen? There are a few different ways to go about it. You can use the built-in wallpaper app, or you can use an external app. The built-in wallpaper app is easy to use. Just open it and choose your desired wallpaper. If you want to use an external app, there are a few different options available. You can use an app like Wallpaper Studio, which lets you customize and resize your wallpaper; or you can use an app like Live Wallpapers, which lets you choose from a variety of pre-made wallpapers. ..