Hello! Thank you for your kind words! That's a good suggestion and I will talk with the team if we can implement it in the future because this was a game jam outcome and we working right now on our commercial project!
It is random. If you and your friend open at the same time the game there is a high possibility to play together. In the next big update we will include a lobby scene.
It is done with photon so we use their servers and in the free session we can support only 1 session per time. The first that will connect we arrange him to be the camera guy and the second is the player in the level. No time for lobby...
It's a co-op multiplayer game, you need 2 people to play this game. The controls are in the page description, you can use q and e to switch cameras. Also, if you play alone then of course the camera guy is useless because you already know the path. Thank you for playing our game!