The $20 Walmart onn-branded box (2021 version) supports LineageOS. Also the Google ADT-3 box, along with other Amlogic devices.
You will have to build a ROM yourself, since Android TV doesn’t have an open source launcher, and usually comes embedded with GApps. You can replace the launcher with Leanback On Fire, which is a TV-friendly, open source launcher.
The $20 Walmart onn-branded box (2021 version) supports LineageOS. Also the Google ADT-3 box, along with other Amlogic devices.
You will have to build a ROM yourself, since Android TV doesn’t have an open source launcher, and usually comes embedded with GApps. You can replace the launcher with Leanback On Fire, which is a TV-friendly, open source launcher.
https://xdaforums.com/t/unofficial-lineageos-21-for-amlogic-gxl-gxm-g12-sm1-ne-family-devices.4649881/