Both digital and physical products will be available through this eCommerce API. It will be possible to specify a single product to sell in-game or allow for the exploration of a category of products. Also, to make things a little more interesting.... App developers will be able to bundle physical products with digital products in a single package.
Developers will earn 6% of the total purchase derived from within their apps and games using the Amazon Mobile Associates API. By leveraging Amazon’s safe checkout experience, it will help new developers gain a trust foothold with customers.
About the API: The Amazon Mobile Associates API is dedicated to US mobile users and powers mobile apps on Kindle Fire, Kindle Fire HD, and Android phones and tablets.