These are command line tools, if you are looking for UI, Please visit https://github.com/ngfw/roku-remote
git clone https://github.com/ngfw/tv.git
then edit settings.json
.
That's it.
./TV.volume.down
or
./TV.volume.down 20
./TV.volume.up
or
./TV.volume.up 20
./TV.plex.topmovie