Currently working only on FireOS 7 (newest models) Take control of volume level in fire stick tv device. Not compatible with HDMI CEC (TV, projector, ..., control) Be able to increase and decrease volume level of the device in a simple and easy way. - Make sure to your mobile phone and firestick tv are in the same network - Allow developer mode in the firestick tv and enable remote debugging - Open the app and fill the ip address (get it on network details on your fire stick) - Click on connect