From GameBrew - a wiki dedicated to Video Game Homebrew.
DS-I is an operating system (OS), as can be linux or windows. This operating system, this exclusively for Developers ds, so this optimized to use the minimum resources.
To save the most resources, the homebrew is fully established in pixels. There is not one image and barely covers ram, which offers greater speed and convenience.
Download and extract file.
DLDI patch .nds file and copy it to the root directory of the card.