Clipboard Expander is a widget and application for your Android powered device. Clipboard Expander provides you with 8 slots that you can use to store commonly used text like usernames, passwords, or email addresses.
Simply press the slot on the widget to load that string to your clipboard. You can add text to the slots by pressing 'Store Text' on the widget.
When in doubt press the 'Help' button on the widget or the 'How to Use This Tool' button in the Clipboard Expander application for a quick description on how to use this application.