After the announcement of Android, the operating system that Google will use to jump into the mobile sector, its developer toolkit was created.
The first few steps in the Android SDK include the utilities needed to help Android developers: Google apps for integrating device tasks and services, a complete emulator for testing applications and all the tools you need to read. The first step in programming for Android
Android based on Linux, uses a virtual device to run an app and today supports 3G, WiFi, GPS, touch screen and any other common space component in high-end mobile phones.
This is the first public version of Android SDK.