Firstly you need WinRAR (trial or full, your choice) and any NDS download. Extract it with WinRAR and copy onto your micro SD. Also, you could of found the answer by searching this forum.
Helping hand time Download a rom of choice, when it finishes downloading move the *TitleHere*.nds file to you Edge card. found a vid for you
what an easy question!!! you must have winrar tial or full if you don't have any... go to this site. http://dw.com.com/redir?edId=3&siteId=4&oId=3000-2250_4-10745708&ontId=2250_4&spi=00af7aa1d14eb9609c8b848c80b6ff77&lop=link&tag=tdw_dltext<ype=dl_dlnow&pid=11328346&mfgId=113677&merId=113677&pguid=oKejdgoPjAAAAEIKgY0AAACI&destUrl=http%3A%2F%2Fdownload.cnet.com%2F3001-2250_4-10007677.html%3Fspi%3D00af7aa1d14eb9609c8b848c80b6ff77 finished installing? go back To RomUlation then click downloads. works on R4,Acekard too...
Download a game and unzip it with winrar then put it into your microSD card and then put that into your edge and play.