>>23350549
If I had to hazard a guess without knowing specifics, a Mobile Armor tends to combine old traditional spaceship thrust maneuvering and Gundam-type AMBAC maneuvering while not going full Mobile Suit. A Mobile Pod meanwhile basically only uses traditional old-style thruster based maneuvering but still possesses limbs, though said limbs are in all likelihood useless for AMBAC in this case.

Also, Robot Spirits Big Zam is fucking crazy cool, but WHERE IS HE