Where do the recipes come from?

Damn, the Japanese are lucky! For the Nintendo DS Lite's Touch Generation line, they have something called the Cooking Navigator. Not a video game, but an instructional program. A chef inside barks instructions at you so that you can cook by hearing

[ Nintendo DS Lite could make you an Iron Chef - Slashfood ]

Seems like a great idea, but I wonder how tunable it is to experience, skill level, etc. Does it only do a set number of recipes? What about food aversions, allergies, and the like? Is it WiFi enabled?