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Description of Maru (from google play)

You can open text/image/zip/PDF/epub files of yours containing images or texts like a book.

※ We don't supply contents files basically.


1. Text Reader

- various file extensions : txt, csv, smi, sub, srt
- support epub (text and image)
- open compressed text files without decompressing (zip, rar, 7z)
- embedded fonts and support custom font
- adjusting text size/line space/border with intuitive UI
- auto-detecting charset encoding
- fixed or custom text/background color with intuitive UI
- various paging way : arrow button, tapping, dragging, volume button
- various animation of paging
- various way of fast seek : seek-bar, dialing, page number
- add/sort/manage bookmark
- support text-to-speak(TTS) : language/speed option
※ the commercial version (named ARAR) support background mode of TTS
- support text slideshow
- text searching : one by one or all at once
- text editing
- support 3 type of text alignment, 2 column in landscape
- support alignment of sentences and splitting text file.


2. Image/PDF Viewer

- various file extensions : jpg, png, gif, bmp, webp, tiff, zip, rar, 7z, cbz, cbr, cb7, pdf
- open compressed image files without decompressing (zip, rar, 7z)
※ can open double compressed image files
- selecting which left/right side of image to see : left first, right first, two file at once
- enlargement/magnification
- various paging way : arrow button, tapping, dragging, volume button
- various animation of paging
※ webtoon scrolling is best suitable to very long images
- various way of fast seek : seek-bar, dialing, page number
- add/sort/manage bookmark
- support slideshow : idle time option
- support keeping the ratio of enlargement
- support animated-gif


3. File Management

- file coloring about history : red(most recent open), green(read partially), blue(read all)
- image preview mode : tile(big,small), detail
- selecting file extension for display
- sorting file : by name/size/date
- deleting file
- renaming file
- searching by name/content(text)/image(preview)

4. Other Features

- support FTP(file transport protocol)
- support SFTP(secure file transport protocol)
- support SMB(server message block)
- support WebDAV
- support Google Drive
- support Dropbox
- support MS OneDrive
- support locking with pin number
- support backup/restore of settings
- support samsung remote spen(paging, pause)
- support headset button's pause
- support management of applications' shortcut

Version history Maru
New in Maru 3.13.15
- refine "Two Pages at Once"
- bug fix
New in Maru 3.13.7
- refine Lock/Dim option in TTS
- add TTS Button Position
- add animation to SlideShow in text viewer
- add Trans option in One-by-One Searching
- add Digest Authention to WebDev
- deleteing bug in sdcard fixed
- bug fix & refine UI
New in Maru 3.13.4
- support WebDAV
- refine mouse wheel support
- refine UI and bug fix
New in Maru 3.13.3
- bug fix
New in Maru 3.12.4
- bug fix
New in Maru 3.12.3
- starts faster in Android 11
New in Maru 3.11.4
- bug fix
New in Maru 3.11.2
- Add remote backup/restoration
- Add history restoration/merge
- Add option for long file name
- Refine TTS button
- Bug fix
New in Maru 3.10.13
- bug fix
New in Maru 3.10.11
- support tiff file
- add Curl2 animation in text viewer
- bug fix
* invisible sdcard in AOS 11
New in Maru 3.10.9
- bug fix
New in Maru 3.10.8
- bug fix
New in Maru 3.10.7
- support rar 5.x and better performance
- refine paging animation
- bug fix
New in Maru 3.10.6
- bug fix
New in Maru 3.10.5
- add a function of proper padding for 'vertical scroll + no border'
- bug fix
* digit disorder on 'Special Character Sorting'
* saving 'vertical scroll + no border' settings
* recommend the same folder for the next on 'Always'
New in Maru 3.10.4
- can enable DoNotDisturb in TTS(AOS 6.0 or higher)
- can edit text file in sdcard(AOS 6.0 or higher)
- can rename file in sdcard(AOS 6.0 or higher)
- bug fix
New in Maru 3.10.3
- add mode in remote server(shared with me, shared link)
- improve MS Onedrive internally
- add option to show rewind popup(settings-openpop)
- bug fix in recommending next file.
- improve security in backup file(v3)
- bug fix
New in Maru 3.10.2
- add mode in remote server(shared with me, shared link)
- improve MS Onedrive internally
- add option to show rewind popup(settings-openpop)
- bug fix in recommending next file.
- improve security in backup file(v3)
- bug fix
New in Maru 3.9.3
- support MS OneDrive
- add Fast Skip to long-tapping
- refine (auto) in Minimum Size
- bug fix
New in Maru 3.9.1
- supports media button's pause/resume in TTS(AOS 6.0 or higher)
- add "System" option in screen rotation
- add "Settings Only" option in restoration
- bug fix
New in Maru 3.9.0
- add JPEG auto rotation(settings-image etc, AOS 7 or higher)
- add manual image rotation(menu-copping/rotation, AOS 5 or higher)
- add menu layout option(menu-menu button/type)
- refine UI and bug fix
New in Maru 3.8.2
- add fix button to search window
- black navigation bar option(menu - lang/theme)
- refine UI and bug fix
New in Maru 3.8.1
- add fix button to search window
- black navigation bar option(menu - lang/theme)
- refine UI and bug fix
New in Maru 3.8.0
- add sftp
- add Disable option to image cropping
- add sdcard history restoration
- bug fix
* epub image processing
* deleting bookmark in image viewer
- refine UI
New in Maru 3.7.3
- add image display option for epub file
- fix the issue of ftp folder name containing special characters
- bug fix
New in Maru 3.7.2
- add slideshow in text viewer
- support "no border" in text viewer's vertical scroll
- support changing bookmark's name after adding it
- support sorting bookmark
- add option about sorting priority
- can exclude Chinese character in TTS
- add option to show inner file name of compressed
- pause/restart using earphone's headset button, spen in TTS
- pause/restart using earphone's headset button, spen in slideshow
New in Maru 3.7.1
- add slideshow in text viewer
- support "no border" in text viewer's vertical scroll
- support changing bookmark's name after adding it
- support sorting bookmark
- add option about sorting priority
- can exclude Chinese character in TTS
- add option to show inner file name of compressed
- pause/restart using earphone's headset button, spen in TTS
- pause/restart using earphone's headset button, spen in slideshow
New in Maru 3.7.0
- change text color in text viewer
- support S Pen : paging(galaxy note 9/10, Tab S6)
- refine UI and bug fix
New in Maru 3.6.4
- show numbers in color advanced setup of text viewer
- expand the scope of padding in text viewer
- bug fix
* massive zipped file error(2.3G above)
* TTS error when using "Scroll on Dragging"
* TTS stops in tablets
* remove blue focus when using keyboard
- refine UI
New in Maru 3.6.3
- add one-way paging using volume button
- add tapping option in text viewer(left:next, right:prev)
- refine the UI of file sorting
- refine reverse option in screen orientation
- add option to show scrollbar (settings-file options, AOS 4.4 or above)
- add option of download speed(settings-remote options, AOS 5.0 or above)
- add option of opening remote image files(smart download, AOS 5.0 or above)
- refine UI and bug fix
New in Maru 3.5.6
- bug fix
New in Maru 3.5.1
- expand zip file support
- bug fix
New in Maru 3.5.0
- support Dropbox connection
- support GoogleDrive connection
- support file deletion in history panel
- support moving parent with backspace button
- show file info
- bug fix
New in Maru 3.4.9
- bug fix
New in Maru 3.4.8
- option of showing TTS button(android 5.0+)
(settings-textviewer-other option)
- option showing 1st page on next volume
(settings-common-next volume)
- bug fix
New in Maru 3.4.7
- clearer on zooming pdf
- improve listing files in ftp
- bug fix
New in Maru 3.4.5
- bug fix
New in Maru 3.4.0
- add white theme
- add language option
- refine UI and bug fix
New in Maru 3.3.3
- bug fix
New in Maru 3.2.9
- bug fix
New in Maru 3.2.7
- bug fix
New in Maru 3.2.6
- add an option to search folders' name
- add an option to change the direction of volume button
- refine UI and bug fix
New in Maru 3.2.5
- bug fix
New in Maru 3.2.4
- bug fix
New in Maru 3.2.2
- add "webtoon scroll" in Image Viewer(for very long image)
- add the selection of tapping/volume button in Image Viewer
- add no border option in Image Viewer
- add the selection of tapping/volume button in Text Viewer
- add preview alignment(settings-file option)
- refine UI and bug fix
New in Maru 3.1.3
- bug fix of reopening pdf.
New in Maru 3.1.1
- add 'Horizontal Scroll' animation to image viewer
- add tap movement to Vertical Scroll
- add page info option
- 3x speed in text-to-speech
- speed up in reading rar, 7z
- basic history count is 100
- refine UI and bug fix
New in Maru 3.0.4
- bug fix
New in Maru 3.0.3
- bug fix
New in Maru 3.0.2
- case insensitive option in search- preview in search- improve UI
New in Maru 3.0.0
- 그림파일 정책 변경(페이지 표시/이동 개선)- 텍스트뷰어에 상하스크롤 애니메이션 추가- epub 지원(텍스트만 표시)- 미리보기 개선(타일형 보기, 자세히 보기)- 그림 나눌때 중복표시- 길게탭 진동 끄기 추가- 뷰어 타이머 추가- 텍스트뷰어 글자크기 0.5단위- 기타 UI개선- bug fix
New in Maru 2.16.19
- bug fix
New in Maru 2.16.11
-bug fix
New in Maru 2.16.10
-bug fix
New in Maru 2.16.9
-bug fix
New in Maru 2.16.6
- add fast seek+menu- bug fix
New in Maru 2.16.5
- add text alignment- bug fix
New in Maru 2.16.3
Ver 2.16.2- improve icons- add "Opening the archive"- import "Rearrange"- remember folder's scroll position- import UI/bug fix
New in Maru 2.16.2
Ver 2.16.2- improve icons- add "Opening the archive"- import "Rearrange"- remember folder's scroll position- import UI/bug fix
New in Maru 2.16.0
버전 2.16.0- 안드로이드 4.0 미만 지원중단- 텍스트 편집 기능 추가- 텍스트 파일 만들기 추가(파일옵션 참조)- 파일 아이콘 개선- 뷰어 도움말 대신 더보기 메뉴로 변경- 기타 UI개선
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