Several characters in “ Decorado ” are on the brink of a mental breakdown. Poverty, unemployment and a constant state of paranoia have driven them to feel like they are trapped inside an artificial set, where every element in their lives feels fake and orchestrated by an ominpresent Big Brother-like business known as ALMA (Almighty Limitless Megacorporative Agency). And their suspicions might not be unfounded. Following “Birdboy: The Forgotten Children” and “Unicorn Wars,” the third feature