A math Game, use four cards to calculate for Twenty Four. slide one card over the other, will pop up operators, click the operator, these two cards will calculate, if the final result is Twenty Four. you win. here J = 11, Q = 12 and K = 13.
start from 26 cards, if you win you get two cards. if you lose, you lose two cards. click the middle button on top if you think these 4 cards are not available to get Twenty Four, but if app get correct answer, app win.