What do you do when your students are more interested in their phone than in what you’re trying to teach them? If you’re Michael Braun, well, you make their phones a central part of their classroom learning. Braun, a computer science teacher at Rainier Beach High School in Seattle teaches “Exploration of Computer Science on Smartphones,” which essentially teaches students how to create mobile apps. In collaboration with Rainier Beach High School, Southshore Middle School, Seattle Public Schools, and Microsoft employees Peli de Halleux (Senior Software Development Engineer) and Chris Mitchell (Principal Development Engineer) assisting through the Microsoft TEALS program). They taught students to use TouchDevelop to create mobile apps. Students were able to install, run, edit, and publish scripts using Windows phones.