Mozilla/5.0 (Linux; U; Android 2.3.4; en-us; SCH-R720 Build/GINGERBREAD) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1 [FBAN/FB4A;FBAV/1.8.1;FBPN/com.facebook.katana;FBDV/SCH-R720;FBSV/2.3.4;FBDM/{density=1.0,width=320,height=