PDF Viewer & Book Reader is a free Android application developed by Maple Media that allows you to manage, download and read PDF documents, e-books, and business documents on your mobile device. With a fast, light, clean, and easy-to-use interface, it's the all-in-one solution to safely store and manage PDF documents and files. The app is highly versatile, and you can access files from email, web, external drive, and cloud storage accounts like Google Drive, Dropbox, and Amazon Drive with PDF Viewer.

One of the best features of PDF Viewer & Book Reader is its ability to open and view Adobe and Foxit PDF files, documents, books, and business documents. You can also search for files and documents, edit and access PDF files in your downloads and document library. The app has a variety of reading modes to choose from, including Night mode and Day mode, and you can also adjust gamma, exposure, and contrast to improve your viewing experience.

Overall, PDF Viewer & Book Reader is an excellent, free PDF reader app that is easy to use and highly customizable. It is perfect for anyone who needs to manage and read PDF documents and e-books on their Android device.