Hyper-casual gaming. App fraud. Effective ads. AI. Snapchat. We touched on it all at MGS19. Futurist. Dreamer. Journalist. John Koetsier is all of those, and the MGS19 emcee. He talked to MobileGroove analyst Peggy Anne Salz, about the highlights of the event. Find out which sessions caught John's attention, what he learned, and how it applies to you.