Lampiro brings XMPP and GTalk to your mobile phone, letting you connect and chat with your friends everywhere. With the help of gateway services, Lampiro can connect you with your friends that use MSN/Windows Live Messenger, Yahoo! Messenger, and ICQ. Lampiro uses the most advanced features that XMPP offers, allowing you to interact easily and effectively with remote services.

http://code.google.com/p/lampiro/