I'm a bit torn here. While I enjoy the 3DS and the handful of quality titles I've gotten for it (I guess a few are remakes which I had never played on their other platforms) it would appear that Nintendo is having difficulty coming up with new IP/ideas and appealing to a wider audience. Releasing new titles with in existing franchises might be safe and of interest to existing fans and newcomers but once the 'cuteness' wears off and the game play becomes old+tired+same old thing I can't help thinking that their target demographic is "preteen" and users simply 'out grow' the Nintendo ecosystem and move onto more mature titles, complex game play and story lines found on other platforms.
Is it the limitations of the controls? Storage space? Or the 'wholesomeness' of the "G" rated Nintendo ecosystem holding the handheld platform back?
IMHO: They ought to introduce a few 'serial' titles in which new chapters or levels are down loaded as you complete portions of the game. This would help overcome the storage limitations of the platform.