Die Shrink to 14nm.
Shave off black bezels.
That's OK for a Switch-lite but it's still too big for a dedicated HH next to Switch, imo. Clamshell 3DS-sized Switch with 3DS/DS BC would be good competition for Switch. Lose joycons and portable muliplayer in exchange for more portability, battery and BC.
Don't Play Stationary 4 ever. Switch!