The release will also mark the first use of `` Disney Second Screen '' , a feature which is accessed via a computer or iPad app download that syncs with the Blu-ray disc , allowing the viewer to follow along by interacting with animated flip-books , galleries and trivia while watching the movie .
The release also marked the first use of `` Disney Second Screen '' , a feature which is accessed via a computer or iPad app download that syncs with the Blu-ray disc , allowing the viewer to follow along by interacting with animated flip-books , galleries and trivia while watching the movie .