Lets make an app, where the Police before searching your phone has to put in some 'warrant number', which he has to get from the Court!!.... Although we ( http://www.xcubegames.com/ ) we are in mobile games, but still can help you out with this. :)

Object C is the language to go for!!... Mobile technology in the coming years will just take over all other technologies!! ... In fact we are into mobile game development ( http://www.xcubegames.com/ ) and can say what 'huge' is coming in the mobile world!!

Google is not letting go any terrestrial object!! .. LOL!!