Market plan ( Market need and growth only) needed in 6 hours 200-500 words only

Identify the Market need and Market growth for a given  product of no more than 600 words for 2 markets (domestic and international). 

The product is an new smartphone app. The app will be a mobile application that measures how busy a place is in real time. It can be marketed to both businesses as a mechanism to manage customer flow or as a premium app purchasable by individuals who want an option to favorite places that participate in using the app.