Now that Nokia’s mapping business is untethered from its handsets, it can extend its Here service as rapidly as possible. The application is available for Android devices for the first time, though for now only on Samsung products. Coming preloaded on Galaxy devices will be important to the market reach of Nokia Here, but the Samsung deal points to a far more ambitious goal – to usurp Google Maps’ dominant position in mobile location services, in the internet of things. Even before Nokia offloaded its devices business to Microsoft, it was expanding its mapping platform’s reach beyond Windows Phone, with a cloud-based Here offering, and several major licensing deals with car manufacturers and with other partners such as Amazon (and…