Google is rolling out new Gemini extensions, particularly for the Google Home app, starting this week for participants in the Public Preview on Android. Gemini will replace Google Assistant, allowing users to control smart home devices using natural language. The integration enables actions like closing blinds or starting a robot vacuum without needing Google Assistant. Users can access the Google Home extension by enrolling in the Public Preview through the app. This feature is currently available only on Android phones and supports English prompts, but does not control smart security devices. The broader release is expected soon.