"Dragon Hopper" for Virtual Boy?

[gamegirl79]

I stumbled across this while I was on half.com today. Is this a real game, or some kind of misprint? I've never heard of it.

http://half.ebay.com/cat/buy/prod.cgi?cpid=1059590045&domain_id=1794&meta_id=4

[gamergary]

Lots of not released games on half.com so it is just a mock-up of the cart.