How it works for buyers Readers can find your books by browsing the Google Play store, or by following a link from the book’s preview on Google Books. When they purchase your book, they can read it in their Web browser, or use the Google Play Books app. Readers can also transfer the book to supported eReaders. Learn more about the reader experience with Google Play Books.
https://support.google.com/books/partner/answer/1079107?hl=en