What are /r/gpicase's favorite Products & Services?

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What emulator are you using? You should look into how to access the filesystem and the particular config files for your emulator.

Lakka, for example, has info here: http://www.lakka.tv/doc/Accessing-Lakka-filesystem/

RetroPie, Recalbox and others should have similar documentation, but if you get stuck, check out their forums.

Maybe you already solved this, but if not, I hope it works out. :)