Download the app S Secure from galaxy store. Then open it and add your desired type of lock(pattern/pin/password) plus fingerprints and/or face unlock. I used the same lock as that of my screen lock i.e. pin, fingerprint and face lock. Next, add apps which you want to lock by opening locked apps, then add apps from the list of apps appearing there.
Inbuilt radio achhe amar phone e kintu ami Bhubaneswar e thaki hostel e ar amar bari Kolkata sei jonno ami Bengali radio shonar jonno oi online radio app ta download korechhi
