OAXIS produces cases for your iPhone 5 or Samsung Galaxy Note II that incorporate a 3.5″ ePaper screen into the back of the case. The ePaper screen connects via Bluetooth and serves as an auxiliary screen. Using a special app “allows users to control and manage the second screen to display images, notifications, reminders, and other contents.” The eInk screen is visible even in bright light, making it easy to see your notifications. I wonder if the app will let you read ePubs on the secondary screen? The InkCase i5 case fits the iPhone 5/5s, and the InkCase N2 is for the Samsung Note II. Both cases are available from OAXIS in your choice of black or white for $125.00.