By default, your Vault 3 documents will be stored on your sd card, in a folder named "/sdcard/Vault 3 Documents". If this folder does not exist, it will be created automatically. If you would prefer to store your Vault 3 documents elsewhere, select Settings in the Action Bar. Go to the Root Folder section and specify a different folder.
To create a new Vault 3 document, click File on the Action Bar. Then click the "New" button and specify the filename.
If you use the desktop version of Vault 3, make sure to upgrade to at least version 0.39 of the desktop version. After upgrading to version 0.39 or later, be sure to open and save all your Vault 3 documents. Then the Vault 3 documents will be compatible with the Android version of Vault 3.
Enter the Title and Text, and press OK. The new item will appear in the outline:
To add more items, click an outline item and keep pressing. This is called "long clicking". When you long-click an outline item, a menu will be displayed:
Click the "Add" menu to add a new item.
Use the radio button to specify that the new item will be inserted above or below the outline item that you long-clicked.
To edit an outline item, click the Text icon to the far right of the outline item. After you click the Text icon the outline item's Title and Text will be displayed:
Click "Edit Title" or "Edit Text" to make your changes.