Even the Sun Has Spots(2013)

Overview:

Pepe Moco, a mentally handicapped boy, who makes an advert for one of the presidential candidates who promises to organise the first World Cup in Guatemala. Beto is a kid who scales a town drawn in chalk, venting his spleen on its walls, threatening passersby with balls. The two of them soon become very close evoking the past and present of a country that does harm.