The Kingdom Hall Video Mixer is a software to playback videos and songs on Kingdom Halls in a smart way. Similar to JW Library, you can use jw.org content to show the media on the second monitor.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: