Android is an operating system targeted for smart phones and tablets. Primarily developed and distributed by Google, Android is an open source operating system based on a modified version of the Linux kernel.
Android is developed by Google and the Open Handset Alliance.
The latest version of the operating system is v4.1(Jelly Bean).
Android Official Site
Google I/O developer conference
Contains detailed videos and slides by Android product engineers
Android page on Wikipedia
Detailed information about the Android OS.
- Android Enthusiasts for user questions
- Stack Overflow for developer questions
- Game Development SE for android game developers