OT: The point is that this is more towards the Japanese than the Americans, using the Famicon, as opposed to the NES, as well as using Japanese actors/people.
nes controllers don't have voice commands
In the Legend of Zelda, you could kill certain creatures by screaming into the microphone.
Inb4
I'm pretty sure they're not actually selling the cartridges. Maybe, though. Google does some crazy stuff. Like dedicating their servers to generating loving 8bit maps. Holy stuff. What a waste of technology.