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 Let’s make this a signing device! I think the pcb board needs some reconfiguration. It works on arkos 2.0 an open source game emulator, And I think all that needs to happen is to add private key signing packages to the arkos operating system. Thoughts? https://image.nostr.build/88fffeb6201b1e9c5e9830e6fa0c72105dc6fa336caafff46ceb91d76eb24918.jpg  
 I have not heard of Arkos OS, so to me that is probably the most difficult part, and the board being open enough that we can reprogram it.

I got this shipped to me (from alibaba) a month or so ago
https://www.amazon.com/dp/B0CKR8T198

My goal is to try and port @seedsigner to it 
 Was also looking at incorporating seedsigner software to this emulator, It doesn’t work. My idea was to A: add packages to the Arkos through GitHub pull requests, Or B: modify one of the micro sd ports so that it has all the chips to make a signing device, Could be seedsigner, Could be coldcard. Probably just a small redesign of the emulator would be enough for this. One micro sd is for the arkos and the other is game roms, So to add more games you just add more roms, But it also works with just the arkos micro sd, With a limited amount of games. What do you think? Making a redesigned pcb board or trying to approach software side? 
 I’d try to go as far as you can with software first, because a board like this is pretty significantly complicated. Not easy to prototype.