| It's not simple. At all.
The friends list screen you're on? It isn't even the right screen. You have to search for a player in a different screen (I posted the screen somewhere in here or in the connecting forum, I can't think of where the player search is). From that screen, the player you are searching for has to be online when you search and then you can add them to your friends list. Conversely, you can just play in the same room, and you'll be able to add them from there. Either way, you'll need to coordinate beforehand. It is terrible. | 
Linear Mode
