Face unlock didn't install with ICS

[datastar]

I updated my Galaxy Tab 10.1 and the wife's 7.0 Plus to ICS. Found face unlock on the 7.0 Plus but it is not on the GT 10.1. Is there another update or patch that include face unlock on the Galaxy Tab 10.1?

 

[onplus]

get from the play store (market). apparently ics is now enable to access those features although it not included in the ics pakage you need to add a app

 

[Varun Sarathy]

What should I type in the play store...?!??