vClick client is a part of vClick system - visual clicktrack system for musicians. It replaces traditional earphone - recorded audio clicktrack system - no special hardware needed, no need for cables, headphones, extra amplifiers or mixers - the signals about bars/beats etc are sent from central computer (vClick server) to players having vClick client in their smartphones over wifi. To use vClick client, enter the server IP addrress of computer running vClick server, press "Hello, server" and if you see message "Got you!" you are ready to go. See more: http://tarmoj.github.io/vclick/pages/getting-started.html