The Google Home app can act as a one-stop shop for all your smart-home appliance control needs. Its latest update also adds the ability to tune the color of connected bulbs or lamps. This is opposed to the simple on-off switch found in previous versions.
https://www.notebookcheck.net/New-Google-Home-app-update-adds-ability-to-control-the-color-of-smart-home-lighting.410972.0.html