On Primephonic, you can add individual works, albums and playlists to your favorites on just a few simple taps. This cannot be done from the track that you are listening to directly, but on the list of works and on the playlist or album of your choice, by tapping on the 3 dots which you can find within these selections and which will show you the options as shown in the pictures below.
To add a single track to a playlist or to your favorites:
To add an album to a playlist or to your favorites:
To add a curated playlist to a playlist or to your favorites: