Windows Phone isn't covered by the deal, which only extends to forks of AOSP, not wholly different mobile OSes. The Facbook Phone, IIRC, was just Android with t

Windows Phone isn't covered by the deal, which only extends to forks of AOSP, not wholly different mobile OSes. The Facbook Phone, IIRC, was just Android with the Facebook launcher in place of the default Launcher, the underlying OS was still Google's approved version of Android.