Very unhappy I just delete the app, bought there an hour which did not mention obligation to subscribe to Facebook. I refuse to forcing all social networks, that we discover when playing (unable to start without registration) I think it would be fair to note before you buy. This is unfortunately not the first time such a mishap occurs and I will wish for, (unable to cancel the purchase) is taken into account that the immediate removal (verifiable) App and she me is repaid.