[Sorry for the late response, I don't check GBATemp very often]
Basically, the way the Yo-kai Watch games handle Pandanoko is a bit tricky: The only way to guarantee that you get one is by StreetPassing with someone who has it in their VIP room. It won't work if someone befriends Pandanoko and...
I know I'm pretty late, but is this still the most up-to-date guide on "consolizing" an SP? I've got one with a broken screen that I'd like to give a new lease on life, but I can't really find a definitive guide that is compatible with it.
I live maybe 3 minutes from a Dairy Queen, so I would just go there for ice cream anything anyways. I usually get the Oreo Blizzard, or a Peanut Buster Parfait.