"Introducing Amazon GameCircle

Announcing Amazon GameCircle, a new set of services designed to make it easier for developers to create more engaging gaming experiences and to grow their gaming business on Kindle Fire.

GameCircle will make achievements, leaderboards and sync APIs accessible, simple and quick for you to integrate, and will give gamers a more seamless and entertaining in-game experience. To learn more, go to http://amazon.com/gamecircle