Can you get in 【0.1%】of population!? This is application that choose a second choice, and try your luck!! If you passed the first time round,it is a probability of 【1/2】... If you passed the tenth time round,it is a probability of 【1/1024】... If you passed the twentieth time round,it is a probability of 【1/1048576】!!! Try on this application whether you are the good luck person! Operation is very very easy!　It is only to choose left or right floor! Let's play a match with your friends!!