• Use a cigar box as the case. I don't smoke, but there's a long tradition in the US of making things out of cigar boxes, and I've made cigar box guitars and arcade-style controllers/fight sticks.
• No display by default. The deck should be useable with audio interfaces. More about why I like audio interfaces.
• When it's safe to go to parties again, I want to be able to bring this deck and use it for either a jam session or as a game console.
• Keyboard is laid out and colored like piano keys, and there's a variety of audio I/O ports for music production.
• Has Retropie set up.