Facebook Messenger for Galaxy S III For more information, please visit the following pages:Facebook MessengerGalaxy S IIIFacebookWebKitLatest user agents:Mozilla/5.0 (Linux; U; Android 4.3; pt-pt; GT-I9300 Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/MESSENGER;FBAV/138.0.0.20.92;]