What to do?
Well you could start here and learn how to make a real product - an app in this case. See: http://www.huffingtonpost.co.uk/2013/06/18/how-to-make-an-app_n_3459886.html
Yes maybe it sounds crazy. But why not? A lot of new businesses start with a crazy idea and a lot of conviction. Could students do this too?
Why not try!