SmartScanner: QR Code Reader & Barcode Scanner is the best QR and Barcode scanner for Android. Scans all types of QR and Barcodes and is extremely easy to use. Working. To scan a QR code or barcode simply open the app, point the camera at the QR code or barcode, and you're done! There is no need to take a photo or press a button.
It's free of charge to get the installation package of SmartScanner, also, you can read users' reviews on Droid Informer. The app works fine on Android 4.1 and above. This application is completely secure to download. The tool is created by LmntrX and its category is Productivity.