読書尚友(青空文庫ビューア)

Naotomo Reading is a Japanese vertical writing / ebook viewer. You can comfortably read more than 10,000 works published in Aozora Bunko.

* Differences from the free version are PDF support, multiple bookshelves, Aozora Bunko batch download, advertisement hiding, and OPDS catalog library.

-Supports text, html, zip (displays text files in the archive), PDF, ePub, docx, odt
・ Supports image zip
-Character code automatic judgment (Shift_JIS, EUC, UTF-8, UTF-16, JIS)
・ List of works by author, work, field (NDC), year of publication, original work, newly released work, access ranking
・ Download from Aozora Bunko
・ Bookshelf
・ Bookmarks and markers
-Display local files
・ Search for titles
・ Corresponds to the main notes of Aozora Bunko (page breaks, indentation, headings, JIS 3rd level, 4th level, Unicode, return points, okurigana, emphasis marks, lines, illustrations, ruby, etc.)
・ Table of contents (created from the heading notes of Aozora Bunko)
・ Character string search in documents
・ Cooperation with external applications by sharing selected character strings
・ Start from "Blue Sky Provider"
·Library card
-Font size, font change (IPA Mincho built-in. System fonts and custom fonts can be used), Source Han Serif / Hanazono Mincho B download
・ Background color ・ Background image
・ Page orientation (vertical writing / horizontal writing)
-Specify the screen rotation operation (terminal setting, vertical fixing, horizontal fixing)
・ OPDS Catalog Library
・ Text-to-speech
・ Pop-up dictionary linked with EB Pocket

* To display local files on Android 10, you must first select a directory and give permission.