This is an app that allows you to open text files, comic files, compressed files, PDF, epub files stored on your Android phone or web server and view them as if they were books. It does not provide content (novel/manga files) by default. ※ Only Google Play Protect-certified devices are supported. The main features are as follows. 1. text viewer - Support TXT, CSV, SMI, SUB, SRT - Support EPUB (text and picture display), support built-in font - Open compressed text (ZIP, RAR, 7Z, ALZ/