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.

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.

Methods to Generate QR Codes on Android Using the following methods, you can conveniently generate QR codes on your Android device for personal and business purposes.

Scanning QR codes today has never been this easier and intuitive on modern Android phones.