imo - web-based service that allows users to hold text, voice, and video chats on multiple instant messaging protocols

https://imo.im/android

what is imo.im?
imo.im is a web-based service that allows users to hold text, voice, and video chats on multiple instant messaging protocols. Currently supported protocols include MSN, Skype, Yahoo Messenger, Google Talk, Facebook, AIM/ICQ, Jabber, MySpace, Hyves, VKontakte and Steam. The service is free and requires no user-registration or sign-up.