The Backendless Viewer app provides a simple way to inspect your Backendless UI Builder application as it runs on an iOS device. This is important for testing and quality assurance purposes. As you work on your Backendless application, the Backendless Viewer app is a necessary component that facilitates access to features available only in the mobile environment.
To use the Backendless Viewer app, scan the QR code of your Backendless UI Builder application. The QR code is available when you click the phone icon in the upper-right corner of the UI Builder screen in Backendless Console.