Amazon has released its official app for tvOS, which allows you to use the Apple TV to make purchases on the portal. At the moment, the app can only be used by users Prime.
This application is very simple in terms of functionality, as it allows only to find the desired objects and complete the purchase directly from Apple TV. At first launch it is activated a security system for authorizing the account and receive a 4-digit PIN to complete purchases.
App you can then search, read the details of the products, take a look at reviews and view images of various products. The app also supports Siri to search for individual products.
Download Amazon App for Apple TV from the tvOS App Store.