Latest 7 Mobile Drena user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 7.0; DRENA) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Mobile Safari/537.36	Chrome Mobile 72	Android 7
Mozilla/5.0 (Linux; Android 7.0; DRENA Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/173.0.0.62.99;]	Facebook 173	Android 7
Mozilla/5.0 (Linux; Android 7.0; DRENA Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36	Chrome Mobile 62	Android 7
Mozilla/5.0 (Linux; Android 4.4; DRENA) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/61.0.8.4598 Mobile Safari/534.30	Chrome Mobile 61	Android 4