Build me a mobile application

KOHNECT - Incorporated as KOHNECT UNIVERSE, is A mobile application that should connect businesses and clients/customers; professionals and clients; experts and clients and even other social communication together within a closely related or shared environment of not more than 5 meters for a start and reaching global dodain. The application should be able to tell to do for instance, Mr. A is an Artisan who lives in Constantine Street, Abuja, Nigeria, and Mr. B is a client who needs an Artisan urgently, he also lives in Constantine Street, Abuja. When Mr. B queries 'I need an Artisan' in the search box, Mr. A should show up first as he is the closest Artisan to Mr. B. Rating and Recommendations should be included so as to separate the best professional, expert, business from a regular person/one.