The USB Driver for Windows is available for download in this page. You need the driver only if you are developing on Windows and want to connect a Samsung android device to your development environment over USB.
If you’re interested in developing an application for Samsung Devices.
Look at the below SDKs and experience various features.
Make your apps powerful using Samsung technologies and Galaxy SDKs
Go to Samsung Galaxy SDKDownload the SDK and
start building your services for Samsung Gear