Tips and tricks Launch actions with voice control ("Ok Google")
To launch apps by voice control (Contacts, Web search, etc.):*
Manual mode - tap on at the bottom of the screen for 3 seconds, - say "Ok Google" or tap on and spell your search.
Automatic mode - open "Settings" app or : - tap on "Language & input", - tap on "Virtual keyboard" if needed, - tap on "Google voice typing", - tap on "Ok Google detection", - enable "Say "Ok Google" any time" or "From the Google app" or "From any screen", if needed.