You should be able to use pretty much any Bluetooth controller just try to avoid the Bluetooth low Energie LE controller my stadia controller that i resenty bought doesn't work on many distos Nobara no problem if you use arch forget it
Libretube is fine but it crashed a lot on my phone i'm now using" newpipe xsponsorblock" it took me a long time to import all my subscriptions but it works really great. The only alternative I would considered is freetube for android
You should be able to use pretty much any Bluetooth controller just try to avoid the Bluetooth low Energie LE controller my stadia controller that i resenty bought doesn't work on many distos Nobara no problem if you use arch forget it