Google's mobile operating system and applications for it.
A mobile operating system, developed by Open Handset Alliance (OHA) which is led by Google, notable for its use on a wide variety of tablets and smartphones and its status as a leading competitor to the Apple iPhone, RIM's Blackberry and Microsoft's Windows Phone 7.
Not all Android questions are on-topic here: questions should relate specifically to the user experience offered by Android or its apps. If your question is about:
- Programming Android apps,
- Programming the Android OS itself, or
- How to achieve or implement a given user interface or graphical design
then consider using the Android tag on Stack Overflow instead of asking here.
If your question is written from an Android user's point-of-view, you'll probably get a good answer on the Android Stack Exchange.