What do you do when you walk up to a service desk or window and the person is supposed to be there to help you isn39;t?You ding the quot;ring bell for servicequot; bell of courseBut wait...sometimes there isn39;t a bell.With this free app, there is always a bell to dingJust start the app and press the quot;dingerquot; on the bell and it will ring.In all of our tests we were able to get a quot;how can I help you?quot; within minutes