Barcode/QR Code Reader is free useful Scanner/Reader app. [Features] - The camera starts as soon as you launch the app - Scan images from your photo albums - Quickly access a history of scans you have made - Comes with a light button to help you out in the dark [Notes] Be sure to allow the BarCode/QRCode Reader app to access your camera when you launch the app. If the screen goes dark when you launch the app, go to [Settings], tap [Privacy & Security], select [Camera], and turn on this app.