DALLAS--(BUSINESS WIRE)--Samsung Telecommunications America, LLC (Samsung Mobile) and Girls Who Code (GWC) announced today the winners of their joint mobile application (app) development competition, Samsung Mobile App Challenge. GWC members were challenged to design and code a mobile app that addresses a need in their school or community. In an effort to remove the stigma associated with science, technology, engineering and mathematics (STEM), Samsung created the coding challenge to enhance GW