hello guys anyone pls help me, me actually stil study last sem to finish my semester i need build 1 system in networking prefered have mobile apps ios or android , i alrdy hve title my own ifile secure hosting like dropbox but to sign in we must scan barcode to get password from admin, and the link are https, i alrdy finish my interface php , to build server cloud are problem right, any one can help me to solve this problem ? or have any idea to me chnge my title project? email : ammdnoor@gmail.com