To enable or disable a playlist on any of your frames on the Nixplay mobile app, go to 'My Photos'. All your playlists will be listed here. Tap the settings icon where the playlist is named. Here you can assign this playlist to any frame, rename the playlist or delete the playlist.
Online, go to 'Frames' once you have logged in. Select the frame you'd like to manage. On doing so, you will see all available playlists. Select 'Enable Playlist' or 'Disable Playlist' accordingly.
To delete playlists online, go to 'Playlists'. Each Playlist folder has a Delete icon at the top right of the folder when you over over that playlist. Simply hit the Delete icon if you wish to delete that playlist.