The adult videos industry must be already closely looking at this, and I wouldn't be surprised if they don't finance related research soon in the future, it will be VHS vs betamax all over again.
Yes, to simulate pheromones and related stimulus, that too, but I'm sorry if you already don't know this but a faint smell of urine would be a big deal to a non-trivial amount of men for immersion, without going into too much detail "squirting" fans and all the ecosystem around such kind of fetishes.