This is an amazing, easy-to-use, smart screen lock and voice command app.

Just open the app and click the "Enable Voice Lock" option.

Now, all you have to do is speak the password to unlock your device.

So what are the requirements?

To use this app, you must have a smartphone with a built-in microphone and a voice command interface.

This app is compatible with all the devices that use the Android operating system.

So what are the alternatives if I don't have a smartphone with a voice command interface?

You can also use the Smart Screen Lock for the PIN Code option.

In that case, you will have to set up the app with a PIN code and enter that code to unlock your device.