The industry veteran to deliver keynote that will "reflect on a lifetime of building games and navigating industry change."John Romero, the co-founder of id Software and co-creator of Doom, Quake, and Wolfenstein 3D, has been confirmed as the headline keynote speaker for this year's Gamescom Asia x Thailand Game Show, to be held in Bangkok this October. The industry veteran's planned keynote, to be titled "Why We Still …