developer.android.com is a official website for Android developer.
Android enables developers to easily create great mobile applications. The SDK includes a full set of tools for developing and debugging application code and designing an application UI.
The up-to-date version is Android 1.5 SDK, Release 2, which provides the same developer tools as the Android 1.5 SDK, Release 1, but provides an updated Android 1.5 system image that includes a security patch.
