How to narrow your search:
While on the Room Mockups' section, you can use the search bar and keywords like “blue” or “room” (no captions).
Or, narrow down your search using the filters from the left pane:
How to mark a Space as 'My Favorite':
You can also add them to your favorites' list by hovering over the one of your liking and clicking or tapping on the heart icon:
How to access 'My Favorites':
On the left pane, open the drop down options menu under 'SHOWING'