Here is the error I get when building for Android:
2013-05-17 19:58:50.880 Corona Simulator[2390:f03] Connection error: (corona.get) ({
“/kWSHTTPResponseMessage” = “<CFHTTPMessageRef 0x10d902380(0x10d902390)> { parsed response, url = http://developer.coronalabs.com/services/xmlrpc, status = 200 }”;
})
2013-05-17 19:58:50.880 Corona Simulator[2390:f03] ERROR: Unexpected empty response from build server
It builds OK for iOS.