1. Tap on the existing annotation and press the Delete button in the popup menu that appears.
1. Tap the Bookmark icon on the Action Bar. If you don't see the Action Bar, tap the center of your screen to bring it up.
2. Navigate to the Annotations tab.
3. Long press the annotation you would like to delete. A popup will appear, press the Delete this annotation button within the popup.
Adding a text annotation
Creating a text markup annotation