In order to add a user as a favorite, you will need to follow these simple steps:
1. On the users profile you will need to click on round + icon
2. Once the menu pulls up on the right side, you will click on the +Person icon
3. You will then receive a pop up message confirming that you want to add the friend.
4. You will now see that +person icon change to a xPerson Icon. If you want to remove the friend favorite.
Now you can go to the main menu -> My friends and you will see a list of all of your favorite friends and if they are online.