You’ll have to use firefox collections with either Nightly or Beta, add the addons you want to a collection and add the collection in ff mobile then you can use the addons. https://www.ghacks.net/2022/10/20/firefox-beta-for-android-now-supports-custom-add-on-collections/
I also had to export LibRedirect settings from desktop and import on mobile because the settings interface is borked (doesn’t show instances to select). There is also Privacy Redirect addon which should work out of the box.
A user on tildes describes how to go scorched earth for mods: