This post will show you how to lock apps on your Android phone for privacy and security of specific applications.
Go to the settings section of your phone and select ‘Privacy and security’ depending on your phone interface, your may see just ‘security’ or ‘phone security’.
Select ‘App Lock’
Once you tap on ‘App Lock’ you will be prompted to set a password or PIN you’ll use to open the locked app. after setting the password, you will be taken to a section where you need to select apps that will have the lock option turned on.
