iVBook is a tategaki(vertical writing) text reader.
You can read any types of Japanese documents in the vertical writing mode.

There are a lot of options to customizing this reader application. Font Size, horizontal space size, vertical document size, hiding Rubi, hiding status bar, auto hiding status and navigation bars, view animation duration, background color, text color and automatically open the last document.
Also there are 5 ways of navigating pages.

- Jumping to a page with the slider bar.
- By tapping the left or right edges.
- Using accelerometer
- Dragging the page sheet.
- Snapping

There are some more unique features.
- You can organize text documents by moving finished ones to 'Finished Books'.
- Changing pages are smoothly animated.
- The bookmarks of all documents are saved.

This product includes Hatamoto Taikutsu Otoko from Aozora Bunko. http://www.aozora.gr.jp