Happy Balls is a free puzzle game developed by tRS for Android devices. The game is suitable for all ages and offers a fun and challenging experience to players.

The objective of the game is to draw a path using your finger for the ball to roll on and reach the destination. The game features 30 levels, and more levels are expected to be added soon. One of the unique features of Happy Balls is the availability of the pen skin shop, where players can purchase and use different pen skins to draw the path.

The game can be played offline, and if you get stuck, hints are available to help you complete the level. The game's graphics are simple, but they are pleasing to the eye, and the background music and sound effects are well-suited for the game's theme.

Overall, Happy Balls is a well-designed puzzle game that is easy to play but challenging to master. It's perfect for anyone looking for a fun and engaging puzzle game to pass the time.