Unlike the discontinued Wave, Google has introduced Google+, a social network that focuses on shared experiences more than anything – more like a collection of services that have social aspects to them. Services include innovative new additions like group video chatting, group messaging, and a much easier to use interface. It constitutes of Circles , Hangouts, Sparks. The service is available today on the web.
Circles : The easiest way to share some things with college buddies, others with your parents, and almost nothing with your boss.
Hangouts : Let friends know you’re free for a video hangout, any time, anywhere. Then catch up, watch YouTube, or… just hangout.
Sparks : A feed of just the stuff you’re really into, so when you’re free, there’s always something waiting to be watched, read, or shared.
Request an early invite here https://plus.google.com/up/start/?sw=1&type=st
Download the Android App for Google+ here Android market.