The TRADER Pod will remind the player to buy ammo or armor if you're low whenever you bring up the menu, and especially in solo play she'll also remind you to heal yourself at the end of a wave.
It is a real gun, although obviously it hasn't seen widespread use. Aluminum Christmas Trees: The AF2011 was thought to be a fictional gun due to its weird design, a conjoined Colt 1911 lookalike.
