The order switch PCB will make it so that you can install a noise gate PCB and the boost PCB in the same enclosure and switch between which one is first and which one is second. You could use a foot switch or a toggle switch for the switch PCB.
Click your heels together and pray to Aslan that Falcor delivered the goods to the Shire.
Seriously, what it this obsession with part branding lately?!? If it works, it’s legit. Full stop.