Here are 7 Alternative App Marketplace platforms for your Android TV
Google TV and Android TV in supported and unsupported countries : r/AndroidTV
Black 65 Inch Cornea Smart Android LED TV, IPS
Appstore now works with Android 12 (better later than never?) - Liliputing
TV Remote · Universal Control on the App Store
How to Install Any App in Smart TV that is Not Available in your TV Store
How to install apps on your Android TV [three methods]
If your Android TV has a built-in Chromecast, you may be interested in DoCast - a mirroring and streaming app : r/AndroidTV
Microsoft announces Windows 11 will be able to run Android apps
Develop smart tv app, clone tv app, mobile tv app, android ios tv app by Lightgame_exper