Aldiko vs My Library
Aldiko Book Reader application is a central place for you to read, shop and organize eBooks. Use it to browse and download from thousands of FREE classics and modern works and read them right on your Android Smartphones and tablets. Forget about carrying around heavy stack of books, your whole library is with you all the time.
My Library is a simple application that helps you to manage your books.google.com library. My Library main features: connects to your google library account, utilizes the phone's camera to scan a barcode, adds/removes books from your google books shelves, enables you to download pdf of books in public domain, creates a shelf that shows personalized recommendations to you, support for tablet devices