This is a sponsored post.
Are you aware of the buysellApp?
What is buysellApp? Well, it is a marketplace where you can buy and sell android apps.
How does it work? First of all, the sellers list Android applications for auction. In order to buy the Android applicaiton you want, all you need to do is make a bid or offer in an auction.
How do you win the auction? You will win if the bid is accepted by the seller and and at the same time it is the highest of all accepted bids.
In this case, you're then declared to be the auction winner. Interesting, right?