If you are looking for a good book reader and file viewer for all popular formats, you can download PDF Reader Classic for free.

It is a good book reader and easy file viewer for all popular formats.

You can read PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, TIFF, ODT, and many other formats.

You can configure cover size and column count.

You can browse through PDFs in your phone, or in the online library.

You can view PDFs with a custom background, which can be changed to day or night.

The app has a built-in file manager with the option to view folders, and you can open a PDF with a password.

You can convert PDFs to text, change text size, and support CSS for EPUB, EPUB3, MOBI, AZW.

It has a built-in TTS (text to speech) reader with the option to read books with any language.

You can add the app to your home screen.