Amazon Underground takes paid games and gives them away for free, with all the extra in-app purchases included. For users, it’s a tempting way to get around handing over money for games you really want to play. The trade off comes in the form of ads and privacy. Amazon keeps up with every moment you spend gaming, because this is how it determines the amount of money to pay developers.
Rovio, the maker of Angry Birds, says it has tripled revenue for four of the games it has published on Amazon’s app store by joining Underground.
Rovio Says It Has Tripled Revenue For Games In The Amazon Appstore By Joining Underground was written by the awesome team at Android Police.
Source: Andriod Police