Below is the link to Whitepaper on Adobe's view of Flex and its road map for future:
A whitepaper about Flash's runtime is available at url:
What is Starling ?
Starling is a ActionScript 3.0 framework for building 2D games, based on Stage3D.
It takes advantage of GPU resulting in better performance and faster frame-rate.
It is a port of sparrow framework for iOS.


