The Document Scanner application is a multifunctional tool that can be used for scanning documents and reading QR codes.

With this application, you can capture images and PDF files from any device that has a built-in camera, including mobile phones, tablets, and other mobile devices. The app also allows you to edit and improve the quality of your document or image before saving it.

You can also convert your documents to PDF and add annotations to them, which you can then share with your friends via email, social networks, etc.

You can also use it for scanning QR codes, which you can then use to get more information.