You may want to restrict access to the app using a PIN. To do so follow the steps below.
(1) On home screen, click Settings
(2) Then click Security
(3) Enable the PIN
(4) Set your 4 digit PIN code
(5) Once PIN is set, go back to the Home screen. Click Close button and app will exit.
(6) When you open the app again, you will be challenged by a PIN.
You can enter your 4-digit PIN. Or you can also enter the app using your device’s fingerprint scanner (if it is available).
Installing from Play Store