Instructions

Access Encrypted Apps
 Access with a private password
If an app is encrypted, enter the correct privacy password to access the app.
 Fingerprint and facial recognition
You can also use fingerprint and facial recognition to open encrypted apps.
Go to "Settings" > "Privacy" > "App Lock".
After entering the privacy password, tap to enter the "App Lock Settings",
enable "Use Fingerprint for App Lock" or "Use Face for App Lock".