The kindle app wasn't denied, the Sony app was no one knows exactly how it offered the purchase of ebooks. It could have let the user search for books from wit

The kindle app wasn't denied, the Sony app was no one knows exactly how it offered the purchase of ebooks. It could have let the user search for books from within the app and only redirected to the web store for checkout. In that case it definitely "offers the ability to purchase books outside the app" as Apple states.