Customers will find that earning extra Amazon Coins is easy and fun, whether it’s by downloading specific apps or by reaching achievements within certain games.
Here is the fill list of Android app downloads that yield Amazon Coins. If you’re weary about this system you can get started with some free coins by simply downloading these free apps. You must have the latest version of the Amazon Appstore installed to see your current Coin balance.
You can save up to 10% on future apps by pre-purchasing Coins. Currently only available to customers in the US, UK and Germany.