Falador west (using the agility shortcut) is an amazing place for iron. Rimmington is also good, bank at the deposit box which I think is near seagulls, not sure.
Can pull all the equipment from the player definition except boots and ring. and I'm p sure the equipment is always in the item def Cache, as well as other peoples equipment and bank (if the bank was opened in the current region)
he would only randomize the path a little anyway, like -2 - +2 x/y so it's less likely to fuck up (unless the path has unreachable locations within a distance of however much he randomises it)
people should be learning java before even jumping into scripting lol. Anyway, I'd say android related stuff isn't hard but if you don't know what you're doing then you will have a hard time.