Game copiers are circumvention devices used to bypass the security on the Nintendo DS family of handheld systems.
There are many different versions of game copiers, but they all essentially work in the same way to bypass security in the Nintendo DS family of handheld systems. The devices are solely manufactured in China with the most well-known versions being called:
Exclusion of warranty
We would advise users against the use of unauthorised devices that circumvent the security features of a Nintendo product, as any damage caused by the use of such products will not be covered by Nintendo’s warranty.
© 2018 Nintendo.