I just installed SmartTubeNext on mine for ad free youtube and it turns out I can pair it with and cast from YouTube Revanced on my tablet, and it carries over all the skips for SponsorBlock as well. Don’t even have to be logged in to SmartTube, works fine with the default anon view. You don’t even have to keep them connected. Once SmartTube receives a playlist, you can disconnect the cast and SponsorBlock sections still work.
At this point all I have on it is Kodi, Twitch, SmartTubeNext, the free Roku app for old tv series, and RetroArch for pre-N64 games.(edit: it may very well play n64 games etc as well, it’s more an issue of storage space for me. My Kodi library is pretty big.)