Rubin added that while Google does allow phones to be marketed as being compatible with Android, or having Google applications on board, there are a series of requirements that must be adhered to. Rubin also alluded to an "anti-fragmentation" program that has been in place since Android 1.0. He wrote that all members of the open Handset Alliance promised not to fragment the OS when it was first announced back in 2007.
Rubin added that currently, team members are working at bringing the Honeycomb features to Android handsets. When completed, the code will be published as Rubin stressed that Android remains an open source system.
If you have some time, go to the source link and check out Rubin's complete article. The piece gives you an idea of where Android stands and where it is going in the future.