Step 1= Download the app and open it
Step 2= Click on "Add Playlist" on the screen
Step 3= Note the "Device ID" and "Device Key" displayed on the screen
Step 3= Click the link here and go to the setup site
https://edit.duplexplay.com/
Step 4= Type "Device ID" and "Device Key" here. Then click "I am not a robot" click and manage playlists click
Step 5= Click on "Add Playlist" on the screen
Step 6= -Type "Nova Server" in the Playlist name section
-Paste the m3u plus link sent to you in the playlist url section
-Check "I'm not a robot" and click save