If the next Nintendo handheld had dual sticks, how would their games change?

[Otakumegane]

Soundwave said:

 

You can basically already see what Nintendo's next portable device is going to look like for yourself:

 

I'd gauruntee they probably already have units with an integrated graphics chipset built-in being prototyped around their R&D labs as we speak.

Well yeah of course, but how will they change their games based on the addition of another stick?