The client was an independent from Buenos Aires, Argentina.
What the client wanted was a social network type application that was used to find people to do activities with. For example, you could search for who was available to play soccer near you.
The client already had the interface and most of the operation of the App defined. The biggest challenge was to make the system in real time that shows you people near you according to what you were looking for.
A system was developed consisting of native applications for iOS and Android, meeting the requirements that the client wanted.