Swipe left-to-right on a list entry to show the actions you can take. These actions are marking the item as delivered/undelivered, or navigating to its location with your device's default maps app.

Swipe right-to-left on a list entry and tap delete Delete to remove it.

Tap the search button to open a search box. Type in this box to hide any list entries that don't contain your input.

Tap the sort button to sort the list.

Tap the delete button to remove all items from the list.