A company that defines gaming with Nintendo Entertainment System (NES) was an instant hit on its first launch back in 1983. Nintendo Co Ltd. launched its North American version which had super Mario bros. in 1985, the bestselling video games of all time. Everybody was very excited to bring it to their home. It was later superseded by Super Nintendo Entertainment System (SNES), Nintendo 64, Nintendo GameCube and Wii in that order, mean while the company developed a series of handheld devices which made their way to school backpacks all over the world and were marketed with the name of Game Boy, Game Boy Pocket, Game Boy Advanced, Game Boy Advanced SP, Nintendo DS, Nintendo DS lite, Nintendo DSi and Nintendo DSi XL. With all these devices, the industry evolved to handle better performing games with features of storing profiles and storing Game Save which led to the development of various storage devices came to be known as DS card or DSi Card. These were actually the memory cards, commonly known as Micro SD cards which were designed specifically for Nintendo gaming devices.
These cards for DSi used for storing the game profile are available in many variants and storage capacity. The First generation of cards included the GBA flash cartridges, GBAMP CF, SuperCard, and M3. The Second generation of cards includes R4 revolution, CycloDS, G6 Real and DS-X. These are either a flash memory or contain a slot for MicroSD card which makes it have more capacity than flash memory type devices. Though Flash Memory is usually measured in Megabits (Mb), Memory card is generally measured in Megabytes (MB). Different storage devices differ in their brand and support for DS and GameBoy advanced ROMs, special features such as cost, physical size and playing media files. These cards were usually encrypted and it was necessary to use them with flashed firmware but when encryption on DS card was broken, many plug and play devices which can be read from slot 1 proliferated in the market. Then came the Third Generation of cards which marked its beginning with the introduction of Supercard DS TWO, revealed in November 2009. The official list of features include Multiple Save files, Real time functions (saving and cheats), multiple languages, a file management system, four levels of slow motion, Micro SDHC support and iReader, etc. Then there were EXi4 flashcard, iSmart Premium, iSmart MM, CylcoDS iEvolution.