P4S application allow the user to book parking online in "Shopping Malls,Hospitals & Other Commercial Places".User is allowed to access following data as a gust "viewing parking locations, viewing add-on services, viewing tariff, viewing convenient charges,adding parking item to the cart etc..."
When the user booked the parking by making the payment, the parking details will be shared with the user via email address for their convenient.Also the parking details will be sync between the user different devices using the email address.
So in order to book parking user need to create the account in the application by entering the email address and the information.