Well, using this app for a long time.one of the nicest app for text message, video message and voice message.
App size is some what big but still it has very good features.
The part of this app is that it take very less space for text message.so its good for people with low internet speed.
App concept is that you send and recieve messages and can also do video and audio call.
Layout of app is simple and very good to use.basically, all can understand this app within less time.
Well, it is usefull for people who use internet and dont wana give money to cellular message and call, they can use it for free.
Overall , a must app for people who use internet.