Blocks Merger is a free puzzle game developed by HitSmart for Android. The game challenges the player to switch the falling blocks to fit before they hit the bottom. In this fast-paced, block-slotting action game, players must match the colors of the falling blocks to those in the grid and see them disappear.

The game is easy to play, and players can twist and turn the blocks by tapping the screen. The game is designed to test the player's speed and reaction time. Blocks Merger is a great game for puzzle lovers who enjoy a fast-paced challenge. Try your tetra block skills in Blocks Merger today and see how fast you can tap before the game challenges you to your limits.