In order to publish apps to the Amazon marketplace, you must sign up as an Amazon developer. This article will walk you through the steps of setting up your account.
How to Set-up Your Amazon Developer Account
2. If you do not already have an Amazon account, you can create one here. Follow the prompts to enter your profile information, and set-up your payment information.
3. (Optional) If you stated you will be selling content within your app, follow the prompts for entering your Tax Identity Information.
App Creation: Next Steps
Once you've set-up and configured your account, you can create a Kindle Fire app to find your Amazon Application Key. This key is tied to your branded Mag+ Kindle Fire app and is entered in the Mag+ Publish portal prior to building your app. See the article "Android/Kindle Fire - Creating a Kindle Fire App" for more information.