Sony Reader App is good reader with special Sony site features.

[edit] Overview

A reading app for ePub books on Windows, Mac OS X, Android, and Sony Tablet, Sony Tablet P and Sony Tablet S.

[edit] Features

• Access all your favorite eBooks, Newspapers and Magazines from Reader Store
• Sync your Reader Store content across your PCs, Macs and Android devices
  • Cloud Sync: Access your reading position, bookmarks and highlights across multiple devices
• Borrow books from your local library (library card required)
• Bookshelf View: Group sorting, cover page zooming

It is also a good app for testing ADE based ePub books.

[edit] For more information

• http://ebookstore.sony.com/download/