Since Google does not officially provide an x86 version of Android TV, several community-driven projects maintain these ISOs:
One of the most famous ports, based on Android 9 Pie, designed to work "out of the box" with common Wi-Fi and Bluetooth drivers. Android Tv X86 Iso
While standard Android-x86 provides a tablet-like desktop experience, the variant is specifically optimized for large screens and remote-control navigation. Since Google does not officially provide an x86
It is a popular way to repurpose old hardware that might struggle with modern versions of Windows or Linux. Popular Android TV x86 ISO Projects based on Android 9 Pie