The more you work your brain the stronger it gets, and with "Multiply!" you will be not only working your brain out; you will be downright body building. You simply solve multiplication problems, but you have to do it fast and you have to do it right, and that is often easier said than done.
Do your best though, and you will be rewarded. You will be smarter, but you will also get to show off by climbing your way to the top of the Swarm leaderboards. Forget mindless games that turn your mind to mush. Have fun and build brain power with "Multiply!" for Android.