1) The document discusses the "Up River" mobile augmented reality game created by Jim and Mark to teach ethnographic skills through place-based storytelling along the St. Louis River estuary. Teachers and students collaborated in designing and developing the game and their own place-based stories.
2) Five key themes emerged from participatory design of mobile learning games: encouraging engagement, leveraging place-based experiences, gathering information from the physical environment, fostering systems thinking, and continuous design improvement through collaboration.
3) The document advocates for improving the accessibility and community features of the ARIS game platform to further support participatory, place-based mobile learning design.