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Almost three billion people are expected to use smartphones worldwide till 2020. This Statista estimate is sufficient to get an idea about the importance of mobile apps. To capitalize on the ever-increasing number of smartphone users, businesses across various sectors jump on the mobile app bandwagon and hotel or hospitality sector is no exception. Restaurant apps like Zomato, Foursquare, Swiggy, and Yelp have set new milestones of popularity and revenue. For example, a mobile app is responsible for 16 percent of total transactions of Starbucks.