[iPhone and iPad] Cam2gether
With any two iPhone/iPad/iPad mini, use this app to control one from the other! Taking photo or video from a distance!
If you don't want to use cellular network for the connection, just select Bluetooth only connection mode. If you are within a WiFi area, go with AUTO connection mode which automatically search for nearby iDevice and connect!
Please check out the quick guide at here: Cam2gether
It is available at the app store: http://itunes.apple.com/us/app/cam2g...0l3Vy&ct=vb_im