Maru v4.4.3 for Android

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

- Supports TXT, CSV, SMI, SUB, SRT
- EPUB support (text and picture display), built-in font support
- Open compressed text (ZIP, RAR, 7Z, ALZ/EGG): Open directly without decompression
- Change fonts (calligraphy / serif), adjust size / line spacing / margins
- Modify character encoding (Auto/EUC-KR/UTF-8,...)
- Change text color/background color
- Page turning method: arrow/screen tap/screen drag/volume button
- Flip effect (animation) : Roll over, slide, swipe, scroll up and down
- Quick navigation: navigation bar, dial, page input
- Add/rename/sort/lookup bookmarks
- Reading: language selection, speed control, special characters/kanji exclusion options
- Slideshow support: adjustable speed
- Search text: one by one, search all
- Edit text: edit, add new file
- Text alignment: left, justified, 2-sheet horizontal view
- Sentence organization, file division (long tap on file name)


2. comic viewer

- Support JPG, PNG, GIF, BMP, WEBP, TIFF, HEIC, AVIF, ZIP, RAR, 7Z, CBZ, CBR, CB7, ALZ/EGG, PDF files
- Open compressed pictures (ZIP, RAR, 7Z, ALZ/EGG): open directly without decompression
- Supports double compression
- PDF support: zoom up to 8x and sharpen option when zooming in
- Left-right order/shuffle: left -> right, right->left (Japanese style), landscape 2-page view
- Zoom in/out/magnify (without animation)
- Page turn method: arrow/scroll tab/scroll drag/volume button
- Flip effect (animation): left/right scroll, up/down scroll, webtoon scroll
Webtoon scroll can smoothly scroll very long pictures.
- Quick navigation: navigation bar, dial, page input
- Add/rename/sort/lookup bookmarks
- Slideshow support: set in seconds
- Keep picture zoomed in
- Supports moving gif/webp/avif
- Picture rotation support (manual rotation, JPEG/webp auto-rotation)


3. file function

- Reading information color display: red (recent), green (partially read), blue (fully read)
- Preview: Tiled(Large, Small), Read more
- Select file extension
- Sort: Name, Size, Date
- Support delete (multiple)
- Support rename, copy, move
- Search: name, content, picture


4. other

- Theme/color support
- Supports language selection (Korean, Chinese, Japanese, English)
- Supports SFTP (secure file transport protocol)
- Supports FTP (file transport protocol)
- SMB (Windows Shared Folder, Samba) support
- Supports WebDAV
- Supports Google Drive
- Dropbox support
- MS OneDrive support
- Password lock
- Supports SPEN for Note 9 and above: page flip, slideshow pause
- Headset button support: Pause slideshow
- Media button (Bluetooth earphone, etc.) support: Pause reading
- Backup/restore settings (Maru, Ara compatible)
- Shortcut management (e.g. add/delete NAVER NDrive app shortcut)

Permission information
- Storage space (required): Read content or modify files