First and foremost, Android is a software stack for mobile devices.

首先，Android是一个用于移动设备的软件堆栈。

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Android is a modified Linux kernel that incorporates a software stack for mobile devices (see Figure 2).

Android是经过改进的Linux内核，为移动设备纳入一个软件栈(见图2)。

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Android is a software stack for mobile devices that includes an operating system, middleware and key applications.

机器人是一种软件堆栈，为移动设备，包括操作系统、中间件、关键应用。

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As a testament to its certified solutions, Broadcom recently contributed its NFC software stack into the Android 4.2 operating system.

ENGADGET: Broadcom intros quad-combo, fast single-card wireless chipsets that put NFC at center stage