Songlio - Free musical guessing game: race friends to name that tune
Wallcat - Enjoy a new, beautiful wallpaper, every day.
SongPop - The world's biggest music trivia game. Now even better.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
Rock On! - A song pop adventure - music trivia awesomeness
Planet Explorer - Interactive global satellite images