A Brief History of Google's Android Operating System - IPWatchdog.com | Patents & Intellectual Property Law
Android 13: Every New Feature Revealed at Google I/O - CNET
Android (operating system) - Wikipedia
Mobile operating systems — The rise of Android and iOS
Android P is a perfect example of why OS updates still matter | Computerworld
What is Android? Everything you need to know about Google's OS
Sony Xperia UI guide: Everything you need to know - Android Authority
A guide to the Android operating system: Digital Photography Review
List of Android smartphones - Wikipedia
Android versions: A living history from 1.0 to 14 | Computerworld
24 hidden Android settings you should know about | Popular Science
Lucky number Android 13: The latest features and updates
Latest Android Version: What's New in the Update | Optimum
Google's Android P is all about notches and notifications - CNET
Google's Lollipop Wants To Change The Way We Use Our Phones : All Tech Considered : NPR
Google Android Pie (9.0) Review | PCMag
How do I know which Android OS version my mobile device runs?
What is an Android mobile phone? - Uswitch
New AI-Powered Android OS, Pie, Goes Live Today | AI Business
Top 5 Mobile Phones Operating Systems(infographics) | by vikash kumar | Medium
Android 9.0 P is out now, here's everything new in Google's new update | Express.co.uk
Where May An Operating System Reside In a Mobile Device? - salvaste's blog
How to Install a Custom OS (ROM) on Your Android Phone - YouTube
China builds own phone OS, aims to be more secure than Android or iPhone | Ars Technica
Android (operating system) - Wikipedia
