Roku Store has removed Playlist Player, but it can still be installed on Roku by “sideload” the app. Please follow this guide
Sideload an app on Roku.
- Start by downloading the Playlist Player from the Roku Store.
- Now click on “Add new playlist”.
- Enter your M3U URL and click on “Save your playlist”.
Now your M3U playlist is loaded and you can start watching TV by selecting any channel.