Aside from a rich app library, the Fire TV Stick supports screen mirroring from Android and iPhone. Your phone also has a built-in cast feature, but that only matters if your smart TV supports it.
As recently announced, the starry cast for the next Black Mirror includes Awkwafina (Jackpot), Milanka Brooks (Mum And I Don’t Talk Anymore), Peter Capaldi (Criminal Record), Emma Corrin ...