: DeSmuME only runs .nds files. Pokémon Y ROMs are typically in .3ds or .cia formats.
It is a common misconception that you can use the emulator to play Pokémon Y , but the short answer is no, you cannot .
: Despite years of development, the DeSmuME team has never added 3DS support, focusing instead on perfecting DS emulation. Recommended Alternatives for Pokémon Y Emulation
DeSmuME is strictly a Nintendo DS (NDS) emulator. Since is a Nintendo 3DS title, it uses entirely different hardware architecture that DeSmuME is not designed to handle.
If you are looking for a "Pokémon Y DeSmuME ROM download," you are likely encountering conflicting information or outdated guides. This article clarifies why they are incompatible and provides the correct alternatives for playing Pokémon Y on modern devices. Why DeSmuME Cannot Run Pokémon Y
DeSmuME was built to emulate the ARM9 and ARM7 processors of the original Nintendo DS. Pokémon Y, released for the 3DS, requires an emulator capable of handling a more powerful PICA200 GPU and dual-core ARM11 processors.
To play Pokémon Y on your PC or mobile device, you need a dedicated . While the scene has shifted recently, several high-quality options exist: