Amazon is giving away $5 credits when you download select free Android apps

From 9to5Toys.com:

Amazon is once again offering a promotion for first time users of its Underground App Store that yields a $5 credit when select free apps are downloaded. The promotional credit can only be used to “purchase physical goods” at Amazon and expires 10 days after it is distributed. Full Terms and Conditions below. This is a great chance to load up your new $40 Fire Tablet with some top-rated games.

To redeem your $5 promotional credit, simply follow these directions:

  1. Visit the Amazon Underground promotional page and enter your email address to receive the download link.
  2. Access your phone’s Settings page and press Security or Applications
  3. Check the Unknown Services box and press OK when prompted
  4. On your Downloads or My Files page, find “Amazon_App.apk” and install
  5. Download any of these games to receive your $5 credit, which should arrive via email a few minutes later.

Amazon first launched the Underground app store last August with over $10,000 worth of free titles for Android users. Learn more in our coverage here.