"Math it!" is a logic, math game that can help you train your brain. It is like a test with four answers, you need to choose the right one to get a point. You have to solve this equations quickly, because the time is running out and you can loose a life, careful you have only three. The more points you get the equations get harder.
The game is fun and sometimes hard, but thanks to that you can improve your mathematical skills.
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Android Wear
There is a module for Android Wear included. It is a little easier, because you only have to choose if the displayed answer, under the equation on the screen, is true or false by touching green or red panel.
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Google Play Games
The game is using Google Play Games. After logging in you can unlock achievemnts and submit scores to leaderboards.