The document reviews the increasing importance of mobile applications and serious games in promoting healthier lifestyles, highlighting their growth from $10 billion in 2005 to $25 billion in 2012. It discusses various theoretical frameworks that inform the design of serious games, noting their potential for health-related education while expressing concerns about the current literature's fragmented nature and inconsistent metrics of success. The document calls for further investigation into the application of these theories in health behaviors and the effectiveness of these apps within multi-component interventions.