Who can build full social network app in 20 Days ?

Hello Freelancers , especially who have passion and experience This is a Challenge of speed and quality I need someone / company helps me to build social network from scratch in 20 days maximum the social app will be same as Twitter , Facebook .. etc Need to build it in cross platform .. Dart - Flutter or native swift 4+ android studio and Java making the app will be the first stage , after that i will start with the same freelancer the website I already have the designs Must be Coding well and very organized