How to lock apps on your Samsung Galaxy phone

Samsung phones have a couple of features that can keep sensitive apps and files private. One locks your chosen apps, and the other restricts all but one app.

Samsung phones have a couple of features that can keep sensitive apps and files private. One locks your chosen apps, and the other restricts all but one app.<p><img src="https://www.engadget.com/img/gallery/how-to-lock-apps-on-your-samsung-galaxy-phone/intro-1791388722.jpg" /></p>