On one hand, since when could a touchscreen interface, much less a MOVEMENT-BASED interface, ever work well? And if they're trying to generate sales, why force people to play the game with a gigantic, overpriced, not cool looking control scheme?
On the other hand, the series was a console-only game to begin with, and HOLY fapp MECHS THAT LOOK LIKE BEACH-HEAD BOATS
Here's to hoping for a PC port. Then again, it's Sega, who will deny the existence of the PC platform until someone kills all but one of the development team by bludgeoning them with a tower.