I established a paired Bluetooth connection between HP Spectre x360 and Nexus 6 phone. In each device, the other devise is shown and is indicated as paired.
I set in LibreOffice: [tools ] [Options] [LibreOffice Impress] [general] [x]Enable remote control [OK].
Message on Impress Remote app: “Connection Failed”
LO v6.2.0.3