What is Android? Kids question?

What is Android? , No it is not only kids question if you don't know about Android then it is for u also.
Well in today world you must hear about android it. But know completely that what is it?
you must to know about this, is today world study of book is not every thing. ha ha:)

-Android is an operating system for mobile devices such as smartphones and tablet computers.
or we can say that Android delivers a complete set of software for mobile devices: an operating system, middle-ware and key mobile applications.It is developed by the Open Handset Alliance led by Google.

*Google purchased the initial developer of the software, Android Inc., in 2005

Some Features of Android

Application framework enabling reuse and replacement of components
Integrated browser
SQLite for structured data storage
Media support(MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, GIF)
GSM Telephony (hardware dependent)
Bluetooth, EDGE, 3G, and WiFi (hardware dependent)
Camera, GPS(hardware dependent)

I think now you know about Android more than nothing? yes