You need to enable port forwarding in Nokia, there be the WG server can be accessed by the public network.
For external devices which out of the home network, they can establish a VPN tunnel through the WG client and connect to Brume2, there be access your home network.
Because ADG is in Brume 2 (drop-in gateway), it is necessary to manually config the client's gateway and DNS to the IP of Brume 2.