Separate names with a comma.
Yes it is completely to host an external server via Android in Pocketmine.
can you make a video ? :)
Um..I don't have Android version myself but the basic general idea is the same. I do know that the Android version has the same port forwarding tactic used to make an external server.
All pocketmine setup servers (so far) can be external using port forward.
port forward is not working with Scarlet-MP