Through the SDK Manager you select the Android platforms of choice and the tool downloads all necessary files and samples. The figure below shows the SDK Manager tool in action. You select the platforms you are interested in and click Install packages to install related packages. Image Added
You can launch SDK Manager at any time. However, you need to launch the SDK Manager at least once before you can successfully compile a single Android application.
You can add new platforms at any time by simply launching the SDK Manager from the installation folder. You use the SDK Manager tool also to uninstall one or more Android packages.
4. Download and install IntelliJ IDEA
[D1|http://confluence.jetbrains.com/#_msoanchor_1]Not sure this is a fair statement. It seems honest to devs but my affect sales :D