[1] Android Cloud to Device Messaging Framework - Google Projects for Android ( 版) <http://code.google.com/intl/ja/android/c2dm/index.html>
Authorization: GoogleLogin auth=[AUTH_TOKEN]
[2] Developer's Guide: Protocol - Google Contacts Data API - Google Code ( 版) <http://code.google.com/intl/ja/apis/contacts/docs/3.0/developers_guide_protocol.html>