What is "Favorites" used for in PBCS EPBCS?

Description (Required):

How can we add to the "Favorites" on the PBCS/EPBCS webpage?

I know the old FR allowed adding fav reports.. but since FR is retired and removed how is this used? How can we add a report or form as a fav?

Use Case and Business Need (Required):

If you have "Favorites" on PBCS webpage then how can we use it?

Enhancement Request / Service Request:

Allow users to Fav their artifacts.