FullReader - eBook and magazine reading

FullReader is a multifunctional application for reading e-books, viewing PDF and DjVu files, magazines, comics, as well as listening to audio books and working with documents on smartphones and tablets.
Support for formats: fb2, ePub, txt, PDF, doc, docx, cbr, cbz, rtf, DjVu, DjV, html, htm, mobi, xps, oxps, odt, rar, zip, 7z, MP3.
Appendix of 1 million + installations.

Programming Languages: Java, Kotlin and C.
Third-party libs, services and techologies: SQLite, Retrofit2, Picasso, RxJava2, Google Play Billing, Dropbox API, Google Drive API, OneDrive API, Android NDK, LruCache, material design guidelines, custom views, animations, GSON, MVP, Yandex Translation API, UI optimization for devices with cutout, TTS Engines.