No - I guess it doesn't sound like a great situation.
I guess I don't picture illigal immigrant construction workers being really into Nintendog. It might just be a kid. Can you ask it questions?
The dogs, when they go visit another dog in bark mode can carry a voice clip. I have not found out what else it can do yet.
I know the handheld is compatible with other gameboy accessaries. I am going to try to test it to see if it can carry cam shots (gameboy had a camera attachment). As to what else it can do...I'm still searching gamer's chat boards. Seems this handheld is relatively new.