Описание тега appium
From http://appium.io/:
Appium is an open source test automation tool used for automating native,web and hybrid mobile applications. It drives iOS and Android apps using the WebDriver JSON wire protocol.
As per Appium 1.6.0 release, Windows desktop application testing joins the functionality list.
It provided a very helpful functionality for locating the elements. This is provided by Appium Inspector.
The basic goal for Appium is that you should be able to reuse code between platforms, and test on different programming language (Java, Javascript, Ruby, Python etc.), as mentioned before it leans on WebDriver implementation to achieve this.
Appium is basically an REST api server written in node.js which main purpose is to listen/receive command(s) from client (iOS, Android, hybrid, web), and execute them depending on platform.
After executing commands server receives respond back and return it to client.
Please read the documentation and tutorials.
For additional help, please use the following resources: