The Disappearing Card trick at Mac App Store analyse

"This is a deceptively simple yet VERY Impressive card trick. Amaze your friends and amaze yourself with this disappearing card trick. So simple yet it will entertain and surprise you and your friends. Show them your magic skills with just a shake of your iPhone! You will be shown 5 cards and will be asked to silently select one with your eyes only. Then when you shake your phone, only 4 cards remain and yours is missing. How did we track your card and make it go away? Magic! Download this and see for yourself. What a great Ice breaker this can be :-) approach someone and ask them if they want to see a really cool trick and show them how you can make their card disappear over and over again. Dont blame us if you get too popular!!!"