The file is an archive associated with the Square project, an open-source framework or "operating system" environment designed for the Nintendo DS .

: Unlike standard DS homebrew, this build focuses on a "hydrogen" core that allows different modules (apps or visual components) to run within a unified interface.

A standout feature of this specific build is its , which allows for a high degree of customisation and skinning on the handheld console's dual screens. Notable Features

: A major draw for this version was the ability for users to swap out graphics and layouts, creating a personalized look for their console.