Depending on the permissions, you won't be able to use face unlock. My Department of Energy App requires similar pin access. The opportunity to use face unlock has been grayed out also.
Droid OG (Retired), Droid 2 (Retired), Droid 3(Retired), Droid X (Retired), Droid X2 (Retired)
Samsung Galaxy Nexus (Unlocked, Rooted, Overclocked, Undervoltaged), Samsung Galaxy Tab 10.1 (Stock)
Nexus 7 (Unlocked, Rooted, Undervoltaged)
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