I am pleased to announce that under strategic collaboration with TI, Adeneo Embedded is now offering an Android Kit Kat release for AM437x from their website:
http://www.adeneo-embedded.com/Products/Board-Support-Packages/Texas-Instruments-Sitara
There is a free binary download for evaluation purposes. For source code and a commercial license, customers can contact Adeneo.
Adeneo is also working on Kit Kat for AM335x which will be released in the coming months. Keep tuned for an update once it gets released.