Google Smart Lock is a new feature in Google’s Android mobile operating system that allows users to secure their devices with passwords. Smart Lock is available on devices running Android 4.4 or later. The feature is designed to help protect users’ privacy by preventing unauthorized access to their devices. Smart Lock works with Google’s Nest security camera system, which can be used to monitor and secure the devices of family and friends. Smart Lock requires a Google account and a password to be set up. Once set up, users can use the Smart Lock app to secure their devices. The app can be found on the Google Play store and on certain Samsung Galaxy smartphones. Users who do not have a Google account or who do not have a Samsung Galaxy smartphone can still use Smart Lock by using the Nest Cam app. The app can be found on the App Store and on certain Android phones. Smart Lock is an important addition to Google’s mobile operating system and should be used by all users who want to protect their privacy.