Homebrewing requires you to use an AceKard which is able to run unsigned applications and custom made applications in your device. The steps required for you to use a custom application are as follows:
Download the firmware from acekard.com and copy akmenu4.nds and _ak2 folder to the root of the microSD.
Copy the NDS file into the microSD card
Insert the microSD in AceKard slot and then plug-in the card to your device.
Start Acekard 2i from the DSi menu to load the application launcher.
Homebrewing requires you to use an AceKard which is able to run unsigned applications and custom made applications in your device. The steps required for you to use a custom application are as follows: