The Samsung Windows Mobile SDK offers APIs to use advanced features unique to Samsung phones. The current version uses Samsung APIs to access phone features such as the accelerometer, notification LEDs, and haptics feedback.
Version 1.2.0 of the SDK includes new APIs for FM Radio and dual camera functionality. It also includes support for three new phones: the GT-C6625 Valencia, SCH-m490/m495 T*Omnia, and GT-I8000 Omnia II.
Read more and download the SDK here.