In terms of revenue Ovi was bigger than Android Marketplace and it was growing fast too right up until Elop tore up the MeeGo/Symbian/Qt roadmap.

QtCreator was only in beta at that point in time too so it's highly likely that success would have accelerated once the better developer tools were officially released.

If you're correct that there is now no money to be made from creating apps for NOKIA then that's another disaster visited on them by Elop's incompetence (sabotage?).