My 3DS is the JP version, so Japanese is the default system language. But the injected games are still in English.
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Because my goal is to make the game look more like the official one, I usually use Nintendo VC.
As I said before, my system language is already Japanese, but that didn't help.
It's not the movies or games downloads that I would worry about, like breaking into networks, downloading encrypted things, spying on network traffic. I have seen so many "Top Secret" seals on files when I was a kid
I was obsessed with finding UFOs, a surprising amount of US files where stashed on computers in other countries, China back in the early 90s omg sooo much