A free app for Android, by Tapi LLC.

The PDF Reader is the best tool to view PDF files on your Android phone. The application is compatible with the Android operating system. This application can be used to view PDF files in different formats such as  PDF, XPS, DjVu, Comic, eBooks and more.

It also has a clean design and user-friendly interface, making it easy to navigate even for first-time users. What’s more, this PDF reader app has highlighter and note feature, so you can mark the important parts of your file and take notes whenever necessary.