Its a bit of a mockery to talk about something being 'cross platform' when you're talking about running on three different versions of Windows. It might make s

Its a bit of a mockery to talk about something being 'cross platform' when you're talking about running on three different versions of Windows. It might make sense to focus on Windows as a Desktop OS, but the xbox doesn't have equivalent market share, and WP7 isn't doing very well at all by comparison with the Android and iphone platforms.