This would require to develop a selection system for both the card board and in general the button selection and pressing. Majorly depends on how complex shortcuts the system can provide. For example LG Magic Remote may not need new selection method, because it operates as a pointer, however I don't know if Android TV is compatible with those.
Inspiration article: https://medium.com/@pcmushthaq/adding-android-tv-support-to-your-flutter-app-dcc5c1196231
This would require to develop a selection system for both the card board and in general the button selection and pressing. Majorly depends on how complex shortcuts the system can provide. For example LG Magic Remote may not need new selection method, because it operates as a pointer, however I don't know if Android TV is compatible with those.