Favorites give you quick access to your most important prototypes and boards. When you sign in to InVision, you’re able to view all items (prototypes, freehands, and boards) as well as filter by category or Favorites.
Add an item to your Favorites by hovering over the thumbnail and clicking the star icon ().
Remove an item from your Favorites by clicking the star again.
It's not currently possible to add a Studio prototype to your favorites.