As you can see from the photograph, Amazon has tremendously redesigned the UI of the homescreen, removing the carousal that has been the bane of many users for a number of years. Instead, you have a fairly vanilla version of Android, that simply shows you the apps that have been installed.
Amazon has incorporated a new version of Google Android in the Fire OS that will ship on this unit. They will be employing Android 5.1 and of course all of the apps you will install will be from the Amazon Android App Store.
Michael Kozlowski is the Editor in Chief of Good e-Reader. He has been writing about audiobooks and e-readers for the past ten years. His articles have been picked up by major and local news sources and websites such as the CNET, Engadget, Huffington Post and Verge.