Purchase at least one qualifying app offered in the Amazon.com Appstore for Android in the webstore or on an Android device. Many free and paid apps qualify. After completing a qualifying purchase, you will receive an e-mail indicating that a $1 credit for Amazon MP3 music has been applied to your account automatically. Promotional offer is valid through December 31, 2014.
FREE $1 Amazon MP3 Credit – expired
How do you know which apps qualify?