Thorium(beta) allows you to watch and browse videos on a server of your choice in the PeerTube network.
GitHub - https://github.com/sschueller/peertube-android F-droid - https://f-droid.org/de/packages/net.schueller.peertube/
A free software to take back control of your videos
Peertube is an open, federated alternative to Youtube without advertising or tracking. On this site, you can find a good Peertube instance, with good rules, good moderation and most importantly a friendly community.