This is also probably worth posting, given how portable discussion seems to always go back to smartphones:
Eurogamer: How do you respond to those who say in this smartphone heavy market there isn't a desire for a high-end portable gaming device? What do you say to those who are worried about Vita?
Shuhei Yoshida: I'm not sure who is worrying. If our publishing partners or our developer partners are worrying, I understand. If their business is in the console space, they are in the same venue as us, so we should create a market with them so we can continue our business. So I totally understand that.
But when consumers are saying it, I really don't understand. It really depends on the types of consumers. If you are a very, very casual person who might just want to kill time as you're waiting for your train or something, you might not need a dedicated, big game experience. But if you like games, if you really love games, you would want to play the kind of games you like, even on the portable.
I totally believe there are millions and millions of people like that. As long as there are great portable gaming experiences you cannot get on smartphones, there will be a market.
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Simplicity is the ultimate sophistication.