Earlier this month, hacker Alexey V. Borodin discovered a method that allows some iOS app users to make "In-App Purchases" for FREE. Because Apple does not link purchases directly to individual customers or devices, a single receipt can be used for multiple transactions. Borodin's method takes advantage of this fact by fooling iOS apps into accepting fake purchase receipts and bypassing Apple’s authentication servers.
In July, ProgrammableWeb reported that Amazon had launched GameCircle, a new set of gaming APIs and services for the Kindle Fire. Amazon has just announced the launch of the Amazon A/B Testing Service Beta, which offers easy in-app A/B testing for developers who create and distribute apps and games using the Amazon Mobile App Distribution Program.