Skype Rover is the Chinese version of Skype. You can install both the rover and normal (raider) versions of Skype on the same device. To download the latest update of Skype Rover 6.3.00.503, just use your Android device and tap on the APK download link at the bottom of this post.
Skype, as you probably already know, is one of the top messaging apps in the world, with the best and safest audio and video calls amongst other apps. Voice-Over IP technology is used to transmit audio and video calls through different networks. Skype has more than 700 million users around the world. Impressive!