Google as promised rolling out an update which changes the name of Google Cast App to “Google Home”. Earlier the Google Cast app is only used to manage Chromecasts and other Google Cast-compatible streaming receivers. But now as Google has launched some other products with the name Google Home so additionally Now, it will be used for setting up your smart speaker.
AS the update is rolling out right now so you can update your Google Cast app by going through the “My apps & games” in the Play Store app. Still, if you don’t get the update than go to the APk Mirror and download the latest Version of the App and install it. Enjoy!