mentalKase&reg; EZFlash IV EZ4 Cartridge w/Newest v1.77 BIOS! Micro SD Card Adapter for Gameboy Advance Flash Cart GBA SP NDS NDSL (EZ-FLASH IV 4) EZ Flash OMEGA (newest version of EZ-Flash IV 4 EZ4 Reform) Instant Game Loading Times. Instant Game Load! Save States, Real Time Clock, Sleep, Cheats, 256mb PRAM supports all games! 512mb NORflash keeps favorite games. GBA, NES, GB, and GBC. No need to patch game files! This is a Micro SD Card Adapter for Gameboy Advance, in the form of a Flash Cart which you simply insert any MicroSD card with your game files on it, and Plug-And-Play! GBA/GBC/NES/GB files all natively compatible. Compatible with GBA SP NDS NDSL MICRO. Any system with a GBA card slot. EZFLASH OMEGA is the best GBA cartridge emulator on the market. It is the latest version of the EZ Flash IV 4. aka: EZ-FLASH IV 4