The Amazon Appstore launched on March 22, 2011 and was made available in nearly 200 countries.[2][non-primary source needed] Developers are paid 70% of the list price of the app or in-app purchase.[3] Notable features that were included on launch included a "Free App of the Day" promotion, which offered different paid apps at no charge daily,[4] and "Test Drive", which allowed users to demo apps in a web browser using a Adobe Flash client virtualized Android instance running on Amazon EC2.[5][4]
In September 2011, Amazon announced the Amazon Fire tablet, which uses Amazon Appstore as its main source of apps.[6][7] Ahead of the official release of Fire, Appstore was updated to include parental controls, a manager for subscriptions, and UI updates to adhere to the Fire's Android user interface.[8]
In May 2013, Amazon introduced Amazon Coins as a form of payment for purchasing apps, games, and in-app purchases from