On Android phones that run Android 5.0 and up, you can use your voice to talk to Google Assistant even when your phone is locked. Learn how to control what info you see and hear. On your Android phone or tablet, open the Google Assistant app . Say “Assistant settings.” Under “Popular settings,” tap Hey Google and Voice Match. Turn on ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.