Emulation/Nintendo DS
About the Nintendo DS
editThere are significant software and hardware differences between the original DS / DS lite and the DSi. The DSi features a processor twice as fast as the prior models, and also sports four times as much RAM.
Nintendo DS Emulators
editmelonDS
editmelonDS is an open source and performant Nintendo DS emulator. Supports DSi games, microphone input, and local Wi-Fi emulation.
DeSmuME
editDeSmuME is a popular Nintendo DS emulator. It is open source and runs under many operating systems.
DraStic
editDraStic is a proprietary (closed source) Nintendo DS emulator. Available on Android, it costs money to buy.
No$GBA
editNo$GBA is a freeware (Gratis) Game Boy Advance and Nintendo DS emulator. Supports DSi emulation.
Hardware Considerations
editIt may be best to use a device with a touch input for Nintendo DS emulation.