The information is not very descriptive. Here goes the full feature list before you look into the main thread where the request for the application was madeFeatures:
Drag and Drop the wav file to the box.
Unicode Support for display message
Periodic Reminder (Bubble)
Sits in Tray
Stand Alone (no installer/uninstaller. Delete the single exe if you dont like it
Close to Tray
Reminder Span Time of 10 Hours