Android, la plataforma Google para entrar con fuerza en los dispositivos móviles

http://code.google.com/android/
Android: the first complete, open, and free mobile platform. To help developers get started developing new applications, we're offering an early look at the Android Software Development Kit.

Open Android allows you to access core mobile device functionality through standard API calls.	All applications are equal Android does not differentiate between the phone's basic and third-party applications -- even the dialer or home screen can be replaced.
Breaking down boundaries Combine information from the web with data on the phone -- such as contacts or geographic location -- to create new user experiences.	Fast & easy development The SDK contains what you need to build and run Android applications, including a true device emulator and advanced debugging tools.