I got this special build, just for me for now, with a fix that allows me to provide the endpoint for XML-RPC access. So the next version of my Login Dongle plugin is going to work for Android app too. I want to thank here the devs of this app that found a fix in no time, less than a day !!
Andrea Ercolino, Software Engineer
Here is the bug track: http://android.trac.wordpress.org/ticket/134