Build a smart mobile messaging app prototype

I need a native app. It should target all mobile devices. I would like it designed and coded. Come join the revolution as we are building the next big thing in smart mobile messaging. We have a need for agile developers that are fast and competent. We provide an intelligent machine learning cloud platform that we need uses cases to be prototyped for rapid validation and testing of user viability. we inly want professionals who have a proven track record.