Can anyone explain this business model to me? I find it very confusing, both in terms of how it works and why people sign up to this. This is not a criticism, as obviously it's brilliant and profitable, but rather an indication of my own limited knowledge 8)

Does it work like this?

1. Devs pay to feature their apps in this app 2. Users install the app and can like & install apps for points 3. After a certain amount of points (which seems huge) a user gets a free itunes gift voucher