PDF Reader is one of the best reading tools. It can help you to easily manage and open all the ebooks on your phone.
Supports ebook formats: PDF DjVU XPS (OpenXPS) FictionBook (fb2 and fb2.zip) Comics Book formats (cbr and cbz) EPUB EPUB 3 MOBI AZW AZW3 and LibreOffice OpenOffice (ODT RTF)

Key features of PDF Reader:
* Pages or scroll view. Page flipping animation.
* Text to Speech (TTS) support in PDF
* Table of contents bookmarks text search.
* Bookmarks on text fragments (comments or corrections) - useful for proof reading.
* Export of bookmarks to text file.
* Built-in file browser quick recent books access.
* Online catalogs (OPDS) support.
* Night reading mode
* Hyphenation dictionaries;
* Most complete FB2 format support: styles tables footnotes.
* Additional fonts support (place .ttf to /sdcard/fonts/)
* Support for Chinese Japanese Korean languages; autodetection of TXT file encoding (GBK Shift_JIS BIG5 EUC_KR).
* Day and night profiles (two sets of colors background backlight levels).
* Brightness adjustments by flick on left edge of the screen.
* Background texture (stretched or tiled) or solid color.
* Paperbook-like page turning animation or "sliding page" animation.
* Dictionary support with PDF books (ColorDict GoldenDict Fora Dictionary Aard Dictionary).
* Customizable tap zone and key actions.
* Autoscroll (automatic page flipping) - start using menu/goto/autoscroll or assign action Autoscroll on key or tap zone; Change speed using volume keys or bottom-right and bottom-left tap zones; stop - tap any other tap zone or key.
* Can read books from zip archives.
* Automatic reformatting of .txt files (autodetect headings etc.)
* Styles can be customized in a wide range using external CSS.
* Select text using double tap (optional).

Disclaimer：
This app is base on Librera code and licensed under the GNU General Public License.