If you are application developer and if want to develop something for the hottest thing on net then should be for android. Android has developed Android SDK (software development kit) platform for Windows, Mac and Linux.
Android also comments on steps we should follow while set up of Android SDK.
- Prepare your development computer which fulfills and meets the system requirements.
- Install the SDK starter package.
- If you’ll be developing in Eclipse install the ADT Plugin.
- Add Android platforms, components to your SDK.
- Explore the contents of the Android SDK (optional).
Learn more about this: Android Developer Homepage.