A free program for Android, by Stunning Theme.

The Sony Xperia 1 III Wallpapers app contains a large collection of high-quality wallpapers for your mobile phone or tablet. The app is easy to use, just tap the image you want to use and it’s done. All the images are optimized to be as compact as possible, which saves a lot of space on your device. It’s compatible with most mobile devices and can be used as a server-based application, so you can download all the wallpapers for free and use them on your phone.

There are several categories, including games, anime, sports, nature, music, sports, pink, love, skull, etc.