Facebook App is with QR now
Facebook Android app update of October 11, 2013 includes QR Codes and a QR Code scanner (image below). Users now have the option of creating a QR Code on their Android phone to direct people to their Facebook profiles. There is also a QR Code scanner so users can scan someone’s code, go to their timeline and then add them as a friend.
The first time Facebook experimented with QR Codes was in March 2010 and now they have finally arrived