IL: Had you played many portable games before you started developing this? Do you even have a PSP?
Yamauchi: I actually did try a bunch of them out before we started, and my impression was that there wasn't a single racing game that was worth anything.
IL: Sixty frames per second is good. How is something like that possible on a handheld?
Yamauchi (laughs): With a lot of effort. Sixty frames per second is something we're really wanting to stick to, because otherwise, we can't call it a game -- or at least I wouldn't call it a video game.
IL: When users download GT Mobile onto their PSP Go (since it doesn't have a UMD), how much of the player's 16GB will it take up?
Yamauchi: We're making efforts so that it's not going to exceed 1 GB. Otherwise, people are just going to fall asleep and drop dead while downloading.
