Home › Mobile Advertising Certification _______ are a type of ad format that show extra information about your business. By · Friday, August 14, 2015 _______ are a type of ad format that show extra information about your business. App installs Ad extensions Deep link ad extensions Answer is – ad extensions Mobile Advertising Certification GA Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.