Screen by screenwest

This year’s South By Southwest film festival features winning movies in ‘Chef’, with Jon Favreau, Dustin Hoffman and Robert Downey jnr, ‘Frank’, with Maggie Gyllenhaal, Michael Fassbender and Domhnall Gleeson; Mike Myers’s ‘Supermensch: The Legend of Shep Gordon’; and ‘The Legend of Shorty’, about the cartel boss Joaquin ‘El Chapo’ Guzman