Sonic Gravity by Racing Bros is an arcade game for Android users. The game is based on a simple concept - control the ball and collect diamonds to progress to the next level. Sonic Gravity comprises of 8 levels, which become increasingly difficult as you progress. The game has simple controls for rolling, jumping and sliding, which makes it easy to play.

In Sonic Gravity, you have to steer the ball through various obstacles and collect diamonds to complete each level. The game has a simple yet attractive interface and is perfect for those who love to play arcade games. The game's challenging levels will keep you engaged and entertained for hours. So, if you're a fan of arcade games, Sonic Gravity is definitely worth giving a try!