Wally is a material design wallpaper chooser application for Android that uses the wallhaven.cc database.
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Pro Lots of different ways to find wallpapers
The app allows searching for wallpapers by text and tags as well as allows filtering them by categories, resolution, and/or aspect ratio.
Pro Has a huge selection of high quality wallpapers that's constantly updated
The app uses wallhaven.cc as the source for wallpapers. Wallhaven.cc, the successor of wallbase.cc, is a vast resource for high quality wallpapers.
Con app not available in play store
Multiple people are reporting that the app can sometimes crash or crash the launcher or not work properly in some other way.