Adding Shared Forms as Favorites

Hello. According to this thread, we should be able to favorite our shared forms. However, I am not able to do this. When I click on the star, it does nothing - but in my own forms it works. Can you please advise? Thank you.

My colleague means you can see what they marked as favorite in their forms. Sub-users can't mark the form as a favorite, only the owner of the form or the one who shared the form can do so.

Here's a screenshot of my test account:

In my screenshot, account jherwin shared with me all the forms, but when I clicked "FAVORITES" I found the form marked as a favorite by the account jherwin.

Ok, I understand now. Thank you.