/!\ Anyone interested in this Gist should look at the work of @danielchc ;)
-> https://gist.github.com/danielchc/c159626485a08c76856b2d30ae457e04
/!\ I used bind9 on my local server to add mb3admin.com entry for all devices ( like android app ) Otherwise in hosts fie :
<your_server> mb3admin.com