Happy Sonic! Live Wallpaper (ハッピー ソニック ライブ 壁紙 Happī Sonikku Raibu Kabegami?) is an Android-exclusive app published by Sega that adds a live animated wallpaper to the device. It was first released in Japan on 5 July 2013 through the PuyoSega subscription service. A few months later on 20 December 2013, the app was made available for purchase internationally through Google Play. In 2020, it was delisted from the store.