Google announced Android 2.2 Froyo earlier today with about 5 times system speed improvement over Android 2.1 and several other interesting features which make this the best Android OS ever.

If you are a mobile developer who loves to develop apps, you can start developing your app for Android 2.2 by download the Software Development Kit (SDK) for Froyo and get started with your development.

Android 2.2 platform is available for the Android SDK along with new tools, documentation and a new NDK. You will find all the new features and details in the Froyo version notes.

To download the SDK and start development for Android 2.2 Froyo, visit the Android developer website at http://developer.android.com/.