To favourite a practice, navigate to the practice’s profile page. You will see a heart beside the name of the practice (see image below). Click once on the heart. If you’re not logged in, a login screen will pop up. You need to be logged in to favourite a practice. If you are logged in, the heart will be highlighted and the practice has been added to your favourites.
To view or manage your favourites, see the 'My Favourites' button at the top right of the screen.