The mediation of learning content via personal mobile devices, commonly referred to as Mobile Learning, enables companies and schools to meet their learners where they are since most individuals use their smartphones very regularly. This thesis describes the development of a mobile learning application that was supposed to enrich current training by supporting learners in vocational schools in China to develop new skills and competencies.The present dissertation synthesizes and applies insights from usability research, culture research, and pedagogics to the research field of mobile learning....