http://www.amazon.com/b?tag=cl03f-20&ie=UTF8&node=14392111011
If you’ve never downloaded an app or game from Amazon Appstore, you can receive a $5 Amazon credit towards physical goods sold by Amazon.com when you download a qualifying game from an Android device.
I just did this. So the 5 bux they send expires after 10 days?I have plenty of Amazon credit in my account and I hope/assume it will use this $ first. .