You don't necessarily need a TV remote to control your television. If you lost the remote (again) or just like having a backup, your Android phone or iPhone can easily act as a second TV remote ...

the Android TV remote is a digital-only remote that can be used in concert with your Android-powered TV or Chromecast. Users can control the media content they're watching, adjust its volume ...

Having left its Android TV Remote Control app languishing in the Play Store with no updates since 2017 and a 3.5 star rating, it looks like Google is preparing to replace it outright with a new ...