RESEARCH TRIANGLE PARK, N.C.--(BUSINESS WIRE)--Lenovo and the National Academy Foundation (NAF) today announced the five winning student groups of the Lenovo Scholar Network mobile app development contest. The Lenovo Scholar Network, in its first official program year, is designed to enrich high school students with an intensive application development curriculum to enable the next generation of developers and entrepreneurs. As part of their coursework over the 2014 – 2015 academic year, scienc