Document Scanner is a free document scanner app for Android. It supports JPEG and PDF formats and can read both text and image data. It's fast and lightweight with a simple interface.

You can use it to scan any kind of paper document or paper image and save the result as a PDF file on your device or in the cloud.

You can also convert images to PDF or enhance them with additional elements, such as watermarks, signatures, or even logos.

You can download and install this app for free.