The Scout API, by T3, enables 3rd parties to take advantage of the context the company brings to advertising. Added to location sensitivity, which has been employed by the likes of Walgreens and others geofencing their stores, Scout brings weather, time, speed and orientation. Scout joins a list of 274 advertising APIs in our directory. Public documentation is unavailable; interested developers can contact firstname.lastname@example.org.
Samsung and the Tizen Association recently made the Tizen Software Development Kit for Wearables available from the Tizen developer web site. The SDK supports any wearable running Samsung's Tizen operating system, but that's an extremely limited number of devices at the moment, with just the Samsung Gear 2 and Gear 2 Neo smartwatches filling the space.