calibre - Ebook manager, viewer & converter
ReadEra - Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
eKitaab - eKitaab – Urdu eBook Reader app offers features to enable users to read books such as poetry, fiction, children literature, non-fiction, and many other genres in the Urdu language right on their mobile phones.
ReadOut - ReadOut is a text to speech conversion app by Flying Phoenix that offers features to enable you to import text from a variety of different sources to convert it into speech in various languages right on your mobile phone.
Voice Book Reader - Allows you to read aloud books PDF, EPUB, and text files. Free online book reader.