Actually, Nintendo is Co-Developing StarFox Zero With Platinum Games, The Game uses two screens and runs at 60 FPS on both.
if you Played Metroid other M, you know that Metroid is perfect with this new mode of Gameplay of two Screens. Nintendo is not idiot and they will Use their experience of Star Fox Zero in other new Game. In fact, Platinum Games has experience in Shooting Games like Vanquish, Starfox, TW101(Some levels) And They has a good partnership with Nintendo.
Retro Studios is developing a new IP "Non-Metroid" possibly and Next Level is developing MP Federation Force on 3ds, So, What do you thinks about this posibility? would you like Metroid NX by PG ?