You can install addons directly on your android de hice. They do sync across devices, which is nice

I think stremio on the fire tv stick is the best approach: begib with this guide https://www.youtube.com/watch?v=UWHhSzQyX4Q and then https://www.reddit.com/r/StremioAddons/comments/17833ms/stremio_all_you_need_to_know/