Favorites are saved under the MORE tab found at the bottom of your Amen app.
If you see a heart ♡ on your meditation, simply give it a tap and the meditation will be saved under "Favorites".
If you no longer want a saved Favorite you may remove it by following these steps:
Profile > Favorites > Tap on the little red heart on the top right
More > Favorites > Tap on the red heart to remove
Please contact Customer Support for further assistance