I like the third shot of the man's hands through the window. It feels voyeuristic, which is appropriate to the spy-camera format.
Actually, a mini and submini forum would be a good idea, rather than putting it into Toy Cameras, since, as you say, many of these aren't really toys.
Where does half-frame go--mini or 35mm? I tend to think of it as 35mm, since it uses 35mm film, but as a format, it's smaller. APS might be another ambiguous category, since there are APS cameras that feel more 35mm-ish, though the format itself is quite small.