Latest IMO Mobile Feel A2 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 5.1; IMO FEEL A2 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/49.0.2623.105 Mobile Safari/537.36	Chrome Webview 49	Android 5