It is simple to exchange your AppDog Bones for Facebook Credits. Ten Bones is worth 1 Facebook Credit. As soon as you have 10 or more Bones, click the "Redeem Bones" button (shown below). This will automatically convert your Bones into Facebook Credits. As an example, imagine you have 95 Bones. After clicking the Redeem Bones button you will have 9 Facebook Credits and 5 Bones.