Heh...it does fit the bill well, doesn't it?
The biggest problem, though, with all of this is that the dysfunctional pile (of sh.. if you must know...) sitting there has a massive network effect that you're going to have to counter. The network effect there with Android is going to work massively against you unless you can come out with something compelling. MeeGo could've been it...had they not been dysfunctional in their own way. Tizen...heh...I don't see that going well. I could be wrong. But I suspect I won't be.
As for cross-platform in the sense others talk to...it's a fail. WinCE had that in it's beginnings. Shortly thereafter, even though you could make for SH4, MIPS, and ARM, the pain and hassle of maintaining code for all three ended up with the software vendors working off a similar kind of network effect. Which class of arch was the most popular SoC's on the most popular WinCE devices? ARM. So you ended up with ARM only binaries for a *LOT* of the apps. At some point, it became more moot because everybody and his dog started doing nothing but ARM WinCE devices. This is why I think all these X86 Android devices popping up are silly. It's just Intel buying their way into relevance in this space. Much like the recent push for Edisons, etc. in the space that ARM devices like the BeagleBone Black reign.
If Intel can make something honestly compelling instead of the smoke and mirrors they've got going right now...great. Otherwise, you're fighting a network effect you're just not going to win playing against.