You may be interested in this list of conferences I picked up from Twitter. I'll retweet
https://docs.google.com/document/d/16FdBQO0CKuVvezid4a_SiAYCwzbGl9F9j1NWEu4aHsI/mobilebasichttps://docs.google.com/document/d/16FdBQO0CKuVvezid4a_SiAYCwzbGl9F9j1NWEu4aHsI/mobilebasic