Amazon knows this, and they are making it easier for developers to implement in-app purchases into their apps on the Amazon App Store. They are also giving developers the ability to implement GameCircle into apps easier. This should help keep Amazon's features equal to other app stores out there.
Tagged: in-app purchases
PocketGamer reports that Gameloft will be placing in-app purchases in every game it releases for the remainder of the year, on every platform, for both smartphones and tablets. The company made the announcement during its financial report, adding that all its upcoming games will also have social elements.