Great question and I hope that more people answer it. It sure looks cool and I'd like to purchase it. But I'm not sure it fits my personal "magic trick rule," which is don't buy something unless you have a pretty good idea of where it might fit in to your act.
I've been brainstorming various card-to-wallet effects. Something where the folded card disappears in a wad of flash paper, only to reappear in the flaming wallet. But I haven't come up with anything workable yet.