Play DS ROMs on Your actual DS console? You can do this with one of the ‘blank’ Nintendo DS Flash Cards also known as R4DS cartridges. R4 DS Card is the most popular / best selling DS Flash Card of all times, but there are many more competing brands with different new features and support for MP3 files, DivX movies, Homebrew Games and Apps and Emulated NES, SNES etc games right on Your NDS / DS Lite or DSi XL. How to play NDS ROMs on DS Lite / DSi? 1. Download Nintendo DS Roms (NDS ROM) 2. Copy DS ROMs you downloaded to the microSD card 3. Place them in a R4i SDHC DS flash card adapter and PLAY ROMs on DS/DSi! * With R4 DS / R4i SDHC adapter you can play all … Read entire article »