Features on the Android device
- Available on Android phones and tablets.
- Open files with .epub extension.
- Customized TOC provided additionally.
- Reopen to the location of last reading page.
- Import .epub eBooks by selecting "Open with" context menu which pops up when you tap .epub file in file browser.
- Import .epub eBooks from the email app's file attachments.
- Choose Options that have one page(landscape) two pages(landscape) or scroll type(portrait) with fixed-layout book and Options that have one page(portrait) or scroll type(portrait) with reflowable-layout book.
- Audio playback and video full screen switch.
- Media Overlay SMIL support to fixed layout ePUB With Read Aloud Feature For Fixed-Layout ePUB.
- Double-tap the image to zoom-in image on the popup.
- Track the path of moving pages.
- To turn pages and toggle menus, use two touches(multi-touch) on both sides and center of the screen, respectively.
- Adjust font size.
- Jump to the reading pages by history buttons.
- Add notes, highlighters or bookmarks of reading pages.
- EPUB reflowable-layout viewer.
- EPUB fixed-layout viewer.
- Select Scrolling type viewer or paging type viewer.
- Browse .epub .zip epub files on your device.
- Find text across all pages of the book.

Features on the iOS device
- Available on iOS iPhones and iPads.
- Open files with .epub extension.
- Customized TOC provided additionally.
- Import .epub eBooks by selecting "Share with" context menu which pops up when you tap .epub file in file browser iOS built-in app.
- Reopen to the location of last reading page.
- The writing direction of scripts like Korean, English, Japanese, Arabic, etc is used as natural writing direction.
(Reading from-left-to-right, reading from-right-to-left, reading from top to bottom and from right to left; ltr, rtl, vertical-rl)
- EPUB reflowable-layout viewer.
- EPUB fixed-layout viewer.
- HTML5 audio and video playback.
- Media overlay supports synchronizing audio media.
(Option of choosing text element style can be set if media overlay does not have an author-defined style synchronizing audio-text visual highlighting.)
- Adjust text size, line height and margins of content on viewer view.
- Bookmarks, table of contents, memo note.

Features on the Mac desk top
- Available on Mac.
- Same features like on iOS iPads devices without device rotation

Features on the Windows PC
- Available only on 64-bit Windows.
- Open files with .epub extension.
- Customized TOC provided additionally.
- Reopen to the location of last reading page.
- Import .epub eBooks by selecting "Open with Epubgle reader" context menu which pops up when you mouse-right-click .epub file in file browser.
- Adjust CSS to change font size, margins, line height
- EPUB reflowable-layout viewer.
- EPUB fixed-layout viewer with one page or two pages.
- Media Overlay SMIL support to fixed layout ePUB With Read Aloud Feature For Fixed-Layout ePUB.
- Browse .epub .zip epub files on your device.

- How to install & run Epubgle reader Windows x64
1) Download recent Epubgle reader.exe
2) Install Epubgle reader.exe to the folder you want to install. Or install to Portable USB
3) And then click start.cmd file in Epubgle reader folder where you installed the Epubgle reader.
4) To run Epubgle reader, click Epubgle reader Shortcut on installed folder or Epubgle reader shortcut on your desktop.

- How to update Epubgle reader Windows x64 and how to maintain all existing imported ebooks in updated Epubgle reader
1) Download recent Epubgle reader.exe
2) Install recent Epubgle reader.exe in the folder where you installed the previous version.

- How to unintall Epubgle reader Windows x64
1) Click unintall.cmd file in Epubgle reader folder where you installed the Epubgle reader.
This unistall work will uninstall Epubgle reader on your desktop and delete Epubgle reader folder and all files in Epubgle reader folder where Epubgle reader installed.