This lets you load gba roms from the sd instead of having to inject them every time For cfw users only. It also has cheat support and is very simple to use just put your rom and cht file on sd and select on the rom loader it will come up with whats on your sd card download link here:https://mega.nz/#!8EsHHaBI!oYQZVeW7ThtDijKTI311pX8xRr1vQSMPoGHls1SCseo