The abbreviation of, now generally refers to the application program of smart phone, and can also be called mobile phone client in the popular sense. APP is a popular mobile marketing carrier and the core information dissemination source of enterprise mobile phone promotion. At present, domestic brand enterprises generally carry out all-round mobile marketing through APP to shape brand image and promote sales accurately. APP is a mobile Internet marketing solution tailored for enterprises, which can help enterprises accurately locate customer groups and create visible economic benefits for enterprises. APP is suitable for many B2C industries and fields, such as chain enterprises (shopping malls, supermarkets, department stores), membership enterprises (hotels, clothing stores, hair salons), entertainment enterprises (cinemas, KTV, theme parks), retail enterprises (families, restaurants, alas), catering enterprises (hotels, fast food restaurants, cafes) and leisure enterprises (tourism, gyms, spas).