You can access favorites in the app by tapping "FIND GAS", then click the search bar and click "My Favorites"
To add/remove a station to/from Favorites, tap the station name in the list or map, then tap the heart icon in the top of the station details page!
For those users who are more familiar with the website, please know that, lists are not available in the GasBuddy app at this time. You can use the filters to refine your list of favorites. To add, remove, or edit favorite station lists, please visit gasbuddy.com