Mad Math Challenge is a free Android game developed by CDT2 Games. It is a brain-training puzzle game that aims to help players improve their mathematical abilities. The game consists of a series of basic math problems that players must solve as quickly as possible.

In Mad Math Challenge, players are presented with a mathematical equation and must choose the correct answer from a set of options. The game has a time limit, which makes it challenging and requires quick mental calculations. The game also has a social component, allowing players to challenge their friends to beat their scores.

Overall, Mad Math Challenge is a fun and challenging game that can help players improve their basic math skills while having fun. However, the game is not easy, and players may find it more challenging than they initially anticipated.