Originally Posted by Moriendor 
What makes you think so? I have no idea who (age group-wise) is buying handhelds either but I do have my doubts that the handheld buyers are significantly younger than console buyers.
Well, admittedly simply for the reason that the only people I know who own one of these are all pre-teens.
But the discussion here was quite eye-opening in that regard, thanks. Still, whoever owns them, it seems that the gameplay style certainly sells rather well on this platform. That is something to think about, IMHO.