Just enter the event name and it''s date / time and add the widget to your homescreen. The widget can be highly customized by selecting a custom image, the text colors, widget style and more. Multiple Event Countdown Widgets can be added.
Have fun :)
As Event Countdown Widget is a widget it has to be added to your home screen. To do so go to the home screen, tap and hold somewhere in a free area and select to option of adding a widget. On Android 4.x select the widget from the widgets menu. Choose "Event Countdown Widget" and setup your widget.