IOS App update (URGENT)

There is an update needed for an existing version of an IOS app. Developer(s) should be very confident on IOS development. Moreover, they need to be informed about Facebook connections. The main updates are: -Facebook connections(such as FB login, and sharing on FB wall) -some UI graphic changes -Adding few features More details can be given. Important point is that the project should be done professionally,very fast, and in high quality