This deal has ended.
Get $1 in free Amazon MP3 Store credit when you download a qualifying Android app from the Amazon App Store. Qualifying apps include Shazam, Pandora, and other top free music apps. Note that you must have access to the Amazon App Store to get this deal, but it's a free download and it comes pre-installed on Kindle Fire and Kindle Fire HD tablets. Once you complete your purchase, you'll get an email with instructions on how to redeem your MP3 credit - see this page for details.