说明：  Android 是Google开发的基于Linux平台的、开源的、智能手机操作系统。Android包括操作系统、中间件和应用程序，由于源代码开放，Android可以被移植到不同的硬件平台上。
(Android is Google s Linux-based development platform, open-source smartphone operating system. Android includes an operating system, middleware and applications, as open source, Android can be ported to different hardware platforms.)