Android

Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open-source software. Initially developed by Android Inc., which Google acquired in 2005, it was unveiled in 2007 alongside the founding of the Open Handset Alliance—a consortium of hardware, software, and telecommunication companies devoted to advancing open standards for mobile devices. Android’s core philosophy emphasizes openness, allowing manufacturers extensive customization and fostering a vibrant ecosystem of applications and services.

The architecture of Android comprises a Linux kernel, a hardware abstraction layer (HAL), a native C/C++ library layer, the Android Runtime (ART) for executing Java/Kotlin applications, and an application framework that provides high-level services to applications. The user experience is primarily touch-based, designed for smartphones and tablets, but has expanded to smart TVs, wearables, cars, and more. Its app-centric model, supported by the Google Play Store, offers users access to millions of applications, making it highly versatile and adaptable to diverse needs.

Android’s widespread adoption is attributed to its open-source nature (via the Android Open Source Project – AOSP), which allows a vast array of hardware manufacturers to produce devices across various price points and form factors. This has led to unparalleled market penetration globally, making it the dominant operating system for mobile devices. While the core OS is open, many devices include proprietary Google Mobile Services (GMS) for access to Google’s suite of applications and cloud services, creating a rich, integrated user experience.