In some circumstances you may want to completely close out of the swackett app. Follow these steps to close the app:
First, press your Home button once.
Next, Double-press the Home button, and all the apps running in the background will be shown.
Then, tap and hold the swackett icon until a red dash (-) appears in the upper left corner of the icon.
Then, press the red dash.
Finally, press the Home button once to return to the Home screen and reopen the swackett app by tapping the icon.