I'd shoot that down right quick.
If she wants to learn how to drive in a major city like SF or NY then she should get used to moving 15 miles per hour and master parallel parking. There's not a whole lot more to it than that unless she has a manual transmission car.
I learned to drive in SF, and I lived there 8 years as a driver. Typically I didn't drive because in major cities cars aren't as necessary but that's probably beside the point. Everything moves slower there as far as cars go. The lights are not timed so that 35 miles per hour will send you through green lights for miles at a time. No, they are timed to stop you every few blocks because otherwise traffic would explode.
Most of the streets will alternate between one way this way and one way that way. You get used to it, and it improves traffic flow. You'll still be moving slowly, but just with a few more signs to deal with.
Other drivers aren't as scary as some may suggest. There's a lot of tight merging because it's sort of like a slow motion game of opportunity there. If you need left, throw your blinker on and move when you have the chance. Other drivers expect this, so should she, and they slow down and you get in. That part can seem spooky at first, but eventually you see the efficiency of it and become that driver as well.
All of this is a generalization that suggests city driving is not that hard or scary and by no means can a driving simulator prepare you for it. Even if you had 600 hours of a VR driving instruction game, it's still just some fakeness and the brain will still go into panic when it comes time to put you to a real test. So just skip the preparations in some digital form. Practice driving locally. Deliberately get into traffic jams and drive around downtown where the streets may have one way designations that will better simulate a major city in all parts. Park a lot. Parallel only. Master that.
Lastly don't forget this fact: The signs say speed limit, not speed minimum. She can always slow down. Other cars will move around her. That goes for the freeway as well. Yeah, a slow moving driver can be more dangerous than a fast one, but often in major cities the highway structure is so complex that highway traffic isnt much faster (and often slower) than the streets. All depending on the time of day of course, but you'll feel that one out as well.