You need an DS emulator
or you need to homebrew your DS
Its an custom game
its not licensed by nintendo so duh.
I know... I am using TWL++ in my DSi
I know this is 2yrs old but download the FAT version
no you don’t, with special software it’s not needed
you dont need home brow your dsy you can use it wit this cardridge
that costs £40. nah hb is cheaper
you dont need home brow your ds