This app is very simple concentration card game.All you need to do is just pairing each card bynumber and mark.Let’s try to pair all of them as fast as you can!* Terms and Conditions for safety * We’ve formulated use agreement for all our user’s safety.Please confirm our use agreement before you use our application.Application use agreement: http://www.id-entity.jp/agreement/useagreement.pdf* Virus checking * Symantec EP Updated date: February 25, 2012