WooBrain is a free puzzle game for Android developed by Cros - Corp Investments Limited. The game's objective is to move the given blocks to fill up entire rows and columns. The more blocks you eliminate, the higher your scores and levels will be.

The game is easy to play and understand, with simple controls that allow you to drag and drop the blocks to their desired locations. The graphics are colorful, and the sound effects are engaging, providing an immersive gaming experience.

Overall, WooBrain is a fun and addictive puzzle game that will challenge your problem-solving skills and keep you entertained for hours. It's a great option for anyone looking to pass the time while exercising their brain.