[She nods, considering. “Rosie” is, likewise, offering a lot, and requesting apparently little—so far.]

It’s the potential defects that concern me. As far as I can tell, [phone withdrawn again, its screen still opening to the COMP it was left on; the glow is tinted warm, and] it does everything as claimed. Which seems, for the moment, to begin and end with map navigation and a switch between voices.

[A glance to fragmented windows.]

I don’t suppose there’s a way to test them proper [read: for actual interaction with demons] without putting oneself in danger.