The developer describes the app as follows: “Google+ for mobile makes sharing the right things with the right people a lot simpler. Huddle lets you send super-fast messages to the people you care about most. And no matter where you are, the stream lets you stay in the loop about what your friends are sharing and where they’re checking in.”
Have you tried Google+ ?
iPad Notebook 
It works good but they really need to release a full screen native iPad version of the app instead of one that you have to zoom 2x like this