Just tell us the name of the app. We'll do a quick check on your story and mass review the fake app to death (hopefully it's not too expensive). The 0 stars should set off alarms for would-be downloaders. Simple.
so your plan is to mass-buy the fake app. makes sense
I really appreciate your intentions, but I'd prefer to deal with this just abiding by the rules. Plus, that would give the squatter a lot of undeserved sales and would boost their rankings.