Sphaera is a cool map-based wallpaper app, where you can customize your phone with cool map wallpapers. It's a simple app that doesn't require any complicated settings or technical knowledge. It's easy to use and you can get great results. The app lets you pick your favorite wallpaper and change it according to your current location or the place you want to visit.

The app is based on cartograms, which are two-dimensional maps that represent the locations of places. In Sphaera, you can find cool places like New York, Toronto, Amsterdam, and more. You can also find the best places for your next vacation. Sphaera is a great app to use as a map-based wallpaper.