Wajdi Ben Rabah is a computer engineer specializing in mobile technologies (native and hybrid) and parallel realities. He has published articles around these subjects either on blogs or in print magazines. He was also an author and a speaker at many international events. His main goal is to push the digital world forward via contributions on open source projects or via training sessions, workshops, conferences and meetups.

Book
https://www.amazon.com/Virtual-Reality-Create-games-scratch-ebook/dp/B072TP1X1G/ref=sr_1_14?s=digital-text&ie=UTF8&qid=1505062440&sr=1-14&keywords=virtual+reality+kindle

Conferences:
France, Paris: Google DevFest 2016.
http://devfest.gdgparis.com/#!/speakers
Netherlands, Amsterdam, Appdevcon 2016
http://appdevcon.nl/speaker/wajdi-ben-rabah/
Switzerland, Lausanne, Appbuilders 2017
https://www.appbuilders.ch/
France, Paris, AndroidMakers/DroidCon, 2017
http://androidmakers.fr/speakers/

Bulgaria 2017 Sofia
https://2017.codemonsters.pro/#speakers

France, Lyon, MiXiT, 2018
mixitconf.org/en/2018/augment-your-reality-with-arcore-

Meetups:
Germany, Stuttgart: stuttgart ar vr 2016.
Contributions:
Angular2 io documentation 2016 on Github.
https://github.com/angular/angular.io

Articles:
Programmez! 2016 http://www.programmez.com/magazine/article/developpement-dune-application-mobile-de-rv-avec-le-cardboard-sdk
Programmez! 2017 ARCore https://www.programmez.com/magazine/article/arcore-la-reponse-de-google-larkit-dapple

Blogs:
https://lemag.sfeir.com/realite-virtuelle-creez-votre-premiere-application/
https://lemag.sfeir.com/apache-cordova-creez-votre-premiere-application-mobile-multiplateforme/