The info desk answers related to this topic can be found here:
http://wikimania2011.wikimedia.org/wiki/Wikimania:Information_Desk#mobile_i…
http://wikimania2011.wikimedia.org/wiki/Wikimania:Information_Desk#Able_to_…
Cheers,
Jutta von Dincklage
As a quick reply for now, please look at my previous
answers to similar
questions on the Information Desk on the wiki.
We'll try to provide more information than is
available there.
Harel Cain
Wikimania 2011 local team