When the r4 nintendo ds flash cart emerged on the scene, it opened the eyes and hearts of many gamers. Finally, a product that allowed you to take your cartridge collection on the road without physically carrying them. Many other companies soon jumped into the fray and products like DSTT, Acekard and Acekard 2 soon joined the ranks of the r4 nintendo ds. The competition has been a boon to gamers who have enjoyed all the new flash cart features during the life span of the Nintendo DS. Then came the Nintendo DSi.