Halo on your phone? No, not Halo: Spartan Assault (although that is a great game), but bonafide Halo on your Windows Phone. That’s something we’ve been dreaming about since Microsoft rebooted their mobile efforts with Windows Phone 7 Series. Can you imagine a world where you prop your phone up and connect your Xbox controller to it and get some Slayer action on the bus? It could be happening sooner than most of you think.