You can actually do all this with RR code and a few other handy things for managing playlists fairly simply.
Create a skin with a standard list on it. Call the skin with the following button code, (to tell it to show your playlist path in that list when the skin loads)
To create a new playlist:
Then put this in the exectbl:
To Relpace a Playlist selected in the list:
To Delete the selected Playlist:
To Rename the selected Playlist: