Use FaceLock to protect your apps with your face! Your face is the key to unlock them. With FaceLock for apps, you don’t need to wait for Android 4.0 to use face unlock on your phone. FaceLock lets you choose individual apps you want to protect.
PRO version released! Get it now: http://goo.gl/enUU1
This free version will lock the protected apps: market, task manager, settings and one app of your choice. *PLEASE* DON’T RATE THE APP BEFORE READING WHAT THE APP IS SUPPOSED TO DO. Now PIN access is also available in this FREE version!
About security: task manager, settings and market are protected so no one can kill or uninstall FaceLock out of the box. Face recognition is reliable and safe with the default settings. For recognition in difficult lighting you can train more images whenever you are not recognized. For increased security you can raise the security level.