Download and install Google Home on your mobile phone or tablet. Within the app, select "Set up Chromecast" and wait until it automatically detects your Chromecast.

Don’t limit the apps you can install on your Chromecast. Screenshot: Google Google’s newest Chromecast dongle has a lot going for it, including support for an increasingly broad range of apps ...

And each app can have different internal navigation controls, so the remote has different effects inside each one. Chromecast with Google TV setup ...