Hey U is a group voice and video chat app,Hey U provides : Hey U provides you with a wonderful way to communicate with people all over the world. You can create your free voice chat rooms and join others’ rooms. you can also share your songs and sing karaoke with anyone.Group voice talk with anyone no matter where they are, broadcast your musics inside the room and find friends worldwide。 When you are in a bad mood, work under a lot of pressure, and need to listen to your appeals, please come