Type the secret word to start. The tutor listens, looks at the paper and answers out loud.
Put the iPad in the red stand with the mirror on the camera, and the paper on the table in front.
The tutor only sends the part of the picture with the paper, so the writing is sharp and the table is ignored. "Find it" looks for the bright sheet by itself. "Mark it" lets you tap two corners of the paper in the camera view, useful on a white table.
Shows a console on screen with every message between the app and the tutor: stages and timings, which model answered, model errors, the raw reply, recognizer and camera events.