Please check out "Rhetorical Augmentation: Public Play, Place and Persuasion in Pokémon Go" by Jason Chew Kit Tham and UMD alumnus Deondre Smiles.
More information can be found at McFarland Books.
Former Writing Studies Graduate Instructor and UMD Alum Deondre Smiles has published in The Pokémon Go Phenomenon Essays on Public Play in Contested Spaces.