Google has recently announced the forthcoming availability of Ice Cream Sandwich, Android 4.0. The new security features include a new VPN API and a new Keychain API and encrypted storage. Face Unlock is one of the cooler new features being debuted, but I was really hoping for a mechanism to back port patches when future devices inevitably leave Android obsolete. Despite the cool factor, if it takes longer to recognize my face than to slide unlock and enter my pin, I just wont use it.”]
Source: https://securelist.com/who-wants-ice-cream-15/31447/