Bad (horrible)
You can only use one engine and I don't understand how any of this works. You have to pay money just to get a few engines that's just un worth it and not worthy of getting this game. I will not be installing this again.
Not enough ratings yet to assess RevApp.
RevApp: Engine Lab has limited verification signals. AppsHunter Legitimacy Score for RevApp is 58/100.
Based on 58 of 100 points across 7 verification signals from App Store and developer data.