EBookDroid
Website: https://code.google.com/archive/p/ebookdroid
Support: Alexander.V.Kasatkin@gmail.com
OS: Android
Price: 0
EBookDroid is a highly customizable document viewer for Android.
EBookDroid supports the following ebook and document formats: DjVU, PDF, XPS (OpenXPS), FictionBook (fb2 and fb2.zip), Comics Book formats (cbr and cbz), plus - starting with version 2.0 - EPUB and RTF.