Amazon is offering an Amazon Developer Account for one year for FREE (regularly $99) for limited time.

An Amazon Developer Account offers tools and resources that leverages the power of Amazon to help market and sell your PC/Mac games & software, Android, and web apps. The Mobile App SDK that includes best practices, reference materials and Amazon APIs are FREE to use. Amazon Developer Accounts renew annually, cancel before the end of your first year if you do not wish to continue and be charged.