Click on http://moumn.org/n/, with the browser on your iPhone or Android phone to access the smartphone application. This application will be loaded into phone and is tagged to be used without the access to the Internet.
As you go through a birding day, click on the species seen. The records are stored in a database on the phone. At the end of the day, click on the "> MOU" button to send the sightings to MOU. (Firefox does not support this database.)
More information about this application is available on the Help Page.