PDF Reader - Document Viewer is a document reader app that can read PDF files. The app is free to use, with no in-app purchases. It supports many formats and can open files from your phone or tablet. It also has a simple interface and supports offline reading.

It has a word and text search function that can be used to search within a document for a specific string. It has the ability to add notes and highlight words and sentences. The app also has the ability to add multiple pages to a document and has a night mode function to make reading more comfortable. The app also has the ability to change the font and font size.

The app can also be used to share documents with other devices or to send them through email. It can also be used to add multiple pages to a document and has a night mode function to make reading more comfortable.