Incredible wallpapers based on these games
On the main screen, you'll see thumbnails of the various images; this is where you can see the whole gallery, decide which images you like, download them, and then adjust the size to set them as your wallpaper or even as a profile image for one of your contacts.
You can navigate between the images by tapping the arrows on the left and right sides of the screen. By tapping the button on the bottom left, you can select an image to use as a wallpaper and then adjust its size.
Fortnite and Call of Duty WALLPAPERS has a ton of wallpapers for you to choose from, with all kinds of styles and colors so you can find the one that's best for you.