A free program for Android, by Leo Legaltech Limited.

The All Document Reader & Viewer app is a fast and easy-to-use scanner app for Android devices. It is designed to work with any kind of document or photo, including paper, PDF, and even images. The app has a built-in PDF converter that can convert any document or photo into PDF, DOC, DOCX, XLS, PPT, TXT, or other PDF formats. The app can also convert from various image formats, including JPG, BMP, GIF, PNG, TIFF, TGA, and many more.

The app has a built-in document viewer that can view all of your documents and photos in one place. It has a simple and clean interface that makes it easy to use.