Microsoft Research has developed E Ink Cases for Phones - Good e-Reader
Read in E Ink but flip through e-book with help from LCD display? New phone cover idea | TeleRead News: E-books, publishing, tech and beyond
These E-Ink iPhone Cases Give You A Second Screen! - YouTube
InkCase Plus: E Ink screen for Android phone by OAXIS INC. — Kickstarter
InkCase for iPhone – InkCase
Amazon.com: Kids Ebook Reader Portable E-Ink Electronic Ink 6 inch E-Reader with Blue Case Cover Headphones Support 29 Languages 800x600 Resolution Display 300DPI(Black,8G) : Electronics