It's not a Ponzi scheme though, is it? It might be a scam, but for it to be a Ponzi scheme, the developers would need to use the money they get from the first

It's not a Ponzi scheme though, is it? It might be a scam, but for it to be a Ponzi scheme, the developers would need to use the money they get from the first publishers to, say, buy the apps they've developed to show it gets great returns to get new publishers to pay... (or something like that)