Though it'll never happen, I will, for the remainder of this post, set myself to "really devoted fan squee mode".
Ooh! And the top screen would be health and stuff, and the bottom screen the view on the world, and you'd use stylus strokes for attacks... D-pad would be movement, A, B, X, Y would be... uh... I'll think about that latersqueeeeeeeeeeeeeeeeeeeee
Daggerfall for the DS would still be awesome IMO. Or on the 3DS. DAGGERFALL IN THREEEEEE DIMENSIOOOOOOONS