So that's all 3 major phone platforms now set to use workstation/server class kernels.

iOS = Mach/BSD

Android = Linux 

Windows Phone 8 = NT 6.2?

Guess CE is following in the path of Symbian, PalmOS etc. The basic hardware is now sufficiently powerful that it isn't worthwhile maintain a separate 'embedded' platform.

How is Blackberry doing with QNX?