I am part of some mobile learning research projects and wanted a central place to start compiling a literature review so thought of posting here. I will start with just a handful but will be adding more shortly and in the months to come. If you know of some good ones, please leave a comment!
Using Mobile Phones to Improve Educational Outcomes: An Analysis of Evidence from Asia (March, 2010) by John-Harmen Valk, Ahmed T. Rashid, and Laurent Elder, Pan Asia Networking, IDRC, Canada