If you're on an Android device, however, there are three best ways to scan a QR code: Google Lens, your native camera app, and a third-party app.

Set a lock code for individual apps on Android Setting a lock code on an app-by-app basis is a great way to add another level of security to your device. With App Lock, it's as easy as setting a PIN.

You're putting your data at risk whenever you grant your Android apps more permissions than they need. Manage Android app permissions to protect your data.