When you lock an app on Android, you immediately restrict access on your phone. Here are the steps to follow to lock an app via App Pinning.

The steps for unpinning an app are quickly and clearly stated when you pin an app. Android tells you to swipe up and hold. What it doesn't tell you is where to swipe and how long you hold.

If you're getting tired of looking for your app window or alt-tabbing to find it, see these options to place it always on top.