I've never tried it myself but the Android TV version of LineageOS can run on some Banani Pis ^1.
Fire TV is Android TV so yes it will also get the update! Unfortunately Amazon rejected the update like they often do so it will take a bit longer before the update is available on the Amazon Appstore.
edit: I just checked and it's live now!
Improvements to the Jellyfin mobile experience are here. A new update for the Jellyfin Android app is ready! Read along to learn everything
![Jellyfin Android 2.6 | Jellyfin](https://lemmy.ml/pictrs/image/86b5ef41-800f-4560-9b06-a250bb7e13ee.png?format=webp&thumbnail=256)
The newer Chromecasts with "Google TV" are just Android TV with a different launcher. If you have a remote control you have Android TV.
First post on Lemmy! (Well technically second because I borked the first one haha)
It has been a busy year with a lot of work on the Android TV app. After an extended beta period today is finally the day to share this work
![Android TV version 0.16 | Jellyfin](https://lemmy.ml/pictrs/image/faa60d81-bd54-440b-afcf-577e5b224764.png?format=webp&thumbnail=256)