Is this software easy to use? Has anyone used it?

Mi Chat, a free instant messaging tool produced by Xiaomi Technology, spans Iphone, Android and Symbian mobile platforms and mobile phones, China Unicom and telecom operators. Through the mobile phone network, you can have unlimited free real-time voice intercom, information exchange and send and receive pictures with your Mi Chat contacts, and only consume a small amount of network traffic. Mi Chat is a real chat anytime and anywhere, like qq and Fetion, but it is better than qq and Fetion. The instant chat tool was downloaded from Aquarius. You can see for yourself. Mi Chat can not only contact your friends, but also get to know your former friends.