Well, sure. Anything that runs off of electricity would probably function, so long as you can find a way to tap into it. I haven't been able to make any fon machines work, though.

[He wonders if Tear wanted some ice cream, too. Ginji figures she's probably not too interested about the machine in any case.]

Yes. About half a dozen so far, but I wouldn't be surprised to see more later in the day. After all, it'll only get hotter.