This document discusses using the App Inventor platform to promote social good. It provides examples of apps developed for better healthcare, safety, science and humanitarian causes. It outlines typical initiatives like youth programs and competitions that foster mobile app development for social purposes. Challenges include access to devices and data, as well as transitioning concepts to finished products. The document proposes taking App Inventor for Good to the next level by establishing a Mobile Innovation Network to support "mobile innovation clubs" globally and adapt tools to meet communities' needs.