Video Background Play Fix - Some sites may not work with Firefox for Android video background play feature.
Minimize play in background - This all-in-one application for android allows you to watch all videos while using a smartphone.
YouTube Vanced - Vanced is a modded version of YouTube with many features such as adblocking and background playback
WebTube - Lightweight YouTube frontend
LiteTube - LiteTube is an app that provides HQ video and audio streaming players.
BitChute - BitChute is a peer to peer video sharing platform powered by WebTorrent.