Good guess
This problem did also exist on the 3DS but with the difference that you need a modded 3DS to copy the game. We can do nothing other than wait for Nintendo to respond to the first ban that happens because of identical certs.
This game was my childhood and I just played it again 2 months ago. And realized how bad I was back then.
I also miss it. I still go outside with my 3DS because now and then like once in a month I get a StreetPass. It was very funny back in 2012-14.
Chrome was not always based on chromeium. Chrome was based on Apple WebKit until 2013 when they forked WebKit and made the Blink engine.
On Linux you can use https://libimobiledevice.org/ for backups and management.