It replaces the homebrew menu. If you want it to act as a home menu of sorts, you can autoboot to it if you configure the luma 3ds settings by holding select or select when you turn on the console.
This is a cool project! I’ve had thoughts on doing something similar. Is there a more up to date, comprehensive list of editable colors / locations / attributes for the home menu? I have a discord server for it and the associated website, but I...