The first rendering made me think it was as thick as a brick, and that got me kind of excited for a moment…
Any device that isn’t as thick and heavy as the original Game Boy feels uncomfortably cramped in my hands.
Being unable to fit in a pocket would be a plus. I want a device I have to consciously choose to carry with me to a new room, like a tablet or a pound of butter.
You could create a 3D printed case maybe