Learn the art of app evangelism from Guy Kawasaki, former chief evangelist of Apple and current chief evangelist of Canva, in this 26-minute conference talk from Playtime SF 2018. Discover strategies to create and market apps that "dent the universe," including positioning your product, removing obstacles, targeting niche markets, fostering innovation, and building ecosystems. Gain insights on ignoring naysayers, leveraging unconventional approaches, and driving growth through user engagement and retention. Apply these valuable lessons to develop and promote your app effectively in the competitive Google Play marketplace.