Latest Allview X2 Twin user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; X2_Twin Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36	Chrome Webview 30	Android 4