Is there any way to create a non-keyboard user authentication method on Windows 8?

Question

Now that Windows 8 supports touch screens, is there some third-part software or even an embedded function on Windows 8 that enables a non-keyboard based method (gestural for example) to unlock a password protected user screen?

PS: I'm not talking about a webcam based face recognition, I am thinking on something similar to Android's gestural unlock screen, such as this:

Answer 1

You're looking for Windows 8's Picture Passwords.

You can choose any picture as a background, then record arbitrary gestures and swipes to log in with.

To set it up, go to the Users section of PC Settings and click Create a picture password.