Arriving in theaters this Friday — just in time for Halloween — is Come Play, a new horror movie from writer/director Jacob Chase. Based on Chase's own short, "Larry," and fleshed out into a feature-length film, Come Play follows Oliver (Marriage Story's Azhy Robertson), a young autistic boy who uses devices like his cell phone and tablet to communicate with his parents and classmates. When a mysterious creature called Larry uses those devices to enter the real world, Oliver’s parents (Gillian Jacobs and John Gallagher Jr.) must overcome their own marital strain in order to protect their …