Multiplayer connect with Facebook friends.

I want to create a car multiplayer racing game using Photon or Unity Networking (I'm still undecided which to use).

I need to have a Connect with Facebook right from the start, and then find Facebook Friends (who also have the game), who will then all enter a game lobby.

This will be a mobile iOS game.

I've looked at Photon's Facebook solution, but couldn't get it working in any sense.

If I could have some advise on the best approach for this, it would be great. I've heard that Facebook...

Multiplayer connect with Facebook friends.