Operating Systems

Android

Definition

Android is a mobile operating system based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets.

Why It Matters

Android is the most popular mobile operating system in the world by a large margin. Its open-source nature allows it to be used by a wide variety of device manufacturers, leading to a diverse ecosystem of phones at all price points.

Contextual Example

A user with a Samsung, Google, or OnePlus phone is using the Android operating system. While the visual appearance may be customized by the manufacturer, the core OS is Android.

Common Misunderstandings

  • While the Android Open Source Project (AOSP) is open source, the version of Android on most consumer phones includes proprietary Google apps and services (like the Play Store).
  • Android is developed by Google.

Related Terms

Last Updated: December 17, 2025