How to play? Count up from 1 to 20, as fast as possible and many times as possible.
iAd + Chartboost
SpriteKit Framework
Universal iPhone + iPad
video: http://youtu.be/92cq00JyOdU
Free Download: https://itunes.apple.com/us/app/speed-count/id883575176?l=es&ls=1&mt=8