They're harmless, but to get them out, take out all plants and pots. When you see them scatter, scrape them into some container and toss 'em outside. Don't rely on poisons because they have a protective "shell".
yes they will live
Bilateral.
No they do not have noses.
No, pillbugs do not lay eggs. They are live-bearing organisms, which means that the female carries fertilized eggs in a pouch on her underside until they hatch into small pillbugs.
they have tiny legs
not always
pillbugs prefer acidic environments due to the detrius in the acid, which pillbugs eat.
yes they are because it has a brain
moist areas
Yes
crustations, like crabs
yes because they are alive