There is a trick to unlock your apps using the fingerprint scanner simulator. You either have to press the volume keys or tap on the lock icon before or while touching the fingerprint pad. You can choose which option to use in the settings screen.
With this applock you don't have to worry about your kids or others invading your privacy or messing with your phone!
1. Press volume key and touch the fingerprint pad (you will be granted access to the app list).
2. Choose which apps to lock.
3. (Optional) Access the settings screen for more options.
Disclaimer: This is not a real fingerprint scanner, it just imitates one.