open that link on your iphone and download the app. you can earn points and get a whole bunch of stuff by just using some apps they want you to try! you can delete them right after you earn the points but after you earn enough points you can get apps that you have to pay for free, itunes cards, amazon gift cards, paypal gift cards, and so much more! its so easy and it surprisingly works!! using this link will give you a 50 point head start.