I don't personally know much about pac man frogs but I saw that your post hadn't been answered yet. Here is a simple basic care sheet that may answer some of your questions as far as housing goes. http://izzysworldofherps.info/care-sheets/pac-man-frog/

for whether or not they can be handled I do know that is best to keep handling to a minimum with all amphibians as their porous skin is very sensitive