The Onyx BOOX Palma is a phone-sized eReader with an Android-based operating system and an E Ink display. A prototype for a next-gen model could actually be a phone, thanks to an E Ink color display and cellular support. https://www.theverge.com/news/772647/boox-palma-e-reader-e-ink-smartphone-4g-cellular#OnyxBOOXPalma#EInk#eReaders#Smartphones