How to add Matchington mansion friends in group without adding my Facebook friends to play?

You can add random friends in a few easy steps. Hit the book with the star on it in the lower left of the screen. Hit the button with three people located in the middle of the screen near the bottom. Then hit visit random person. This will randomly take you to someone else's mansion. Then hit the button in the bottom right corner that has a person and a plus on it. You can add as many people you want to this way but it only add one person at a time. So to add another person go through the same steps again.