WordBrain is a puzzle game for mobile devices. When playing, the user is given a board with a few letters. The player must then draw a line from the start of a word to the end of a word by connecting adjacent letters. After completing a level, the board gets bigger and the puzzles become more difficult to solve. The game features more than 700 stages the player can experience while progressing. It also includes the option to create and share custom puzzles online.

The software is a product of MAG Interactive and requires Android operating system 4.1, 4.1.1 or greater. It is only supported in the English language.