Just EXTRACT AFTER copy the file to your memory in the system folder:THE CHEAT FOR NINTENDO DS BROWSER CONTAINS EZ FLASH PSRAM AND OTHER IT'S WORKING I'VE TESTEDIN MY DSI ADD YU-GI-OH CHEATSDON'T FORGET IT'S FOR AN R4 AND N5plz DOWNLOAD AND RATEAFTER ALL CAN YOU TELL ME IF YOU HAVEA CHEAT LIKE...