The film is in English. I have to assume that is because between Portuguese-speaking Brazilians and Arabs, English is probably a common language.
The Arab-Brazilian Chamber of Commerce runs an English langage website: (Click here)
What is noticeable is that they have a monument to an Islamic King. Almost all Arabs in Brazil are Christian. In the 2010 census, only about 35,167 Brazilians declared themselves as Muslim.