This is dog ice-cream, available in, yep, Japan. I don't think that means it's dog-flavored ("Choose from Dachsund Daiquiri, Choco-Chow and Key Lime Labrador"), but that it is for dogs. Hence the bowl - or maybe you think that's what we Giz writers eat off.
What I want to know is why they went with the name Wanko? [Gizmodo Japan through Google Translate]