upgrade 1to50

Play UPGRADE 1 TO 50!Find numbers from 1 to 50 as fast you can. But careful! Numbers are ROTATE!---------------------------------------------------------1. Game : FIND rotated numbers from 1 to 50.2. High score : You can see your scores. And global rank too.3. Setting : You can set sound/vibration. And you can set id and pw too. If you CHANGE YOUR PHONE and you set same id and pw again then you can get your BEST score.4. Sns : You can tell your score to your friends with FACEBOOK or KAKAOTALK.5. ? : You can see description of this app.6. ! : If you have any problem then send mail to me!keyword: upgrade, 1to50, 1 to 50, rank, kakao talk, facebook, score, one to fifty, fun, puzzle, game, number, - made by Ayeon Lee.It's my first application... Maybe it has many problems..ㅜㅜ. If you have problem and send problem by mail then I will update as soon as fast.