Note that currently (v84) Firefox for Android does not allow installing many 3rd party addons. I you want to use this extension you need Firefox for Android Nightly and you have to enable developer ...

Emby External Player Launcher (E2PL) is a small .NET 4.6.1 application that registers itself as a video player to an Emby server and launches/controls MPC-HC to actually handle video playback. I wrote ...