Card slot isn't relevant to the patent. Neither are the handles
But they are relevant to the state of mind of Nintendo's engineers when they came up with the proposed device.
It's quite possible that this is the NX handheld, and quite probably that if its not that it was planned to be at some time.
Hmm. Where do you see physical non-shoulder buttons in the drawings that aren't explained as touch buttons in the narrative? I'm not seeing them. I want you to be right, though.
They're not there. At first I thought 'operation stick' might comprise a potential button or any other kind of moveable / depressible object, but that doesn't make sense considering the word 'button' is used just after that. I got confused for a sec, for sure.
It's two sticks and two shoulder buttons.