"OK Google" is a phrase you can say to turn on and use Google Assistant, but you'll need to enable Voice Match first.
Google Assistant settings can be configured on an Android device or an iPhone or iPad. On an Android, just say "Hey Google, ...
While Google Assistant shares some features with the assistants mentioned above, Google's version is more conversational, which means you can ask follow-up questions if you need more information.
Use the below-mentioned instructions to set Copilot as a default Assistant on Android: Install Microsoft Copilot from the Google Play Store Set Copilot as a default Assistant on your Android device ...