I've been trying different math based apps to help with not only cognitive thought but time based reaction response and this is by far the most simple yet effective app on the market. Thanks guys. Bout time someone got it right.
aliahsow,
Hardest Game Ever!!!!!
It's fun, yet frustrating. It shows u math problems and u need to say wether it's right or wrong, but u only have like 3 seconds, my high score was 4. Good luck😀!