DejaOffice for Android - Android Application Memory
Please be sure you have enough application memory.
To look at App memory usage go to the main Android Desktop click on the "Menu" button, and choose "Settings".
Choose Applications, then "Manage Applications.
Look at the bottom of the screen. It will show "used" and "free" memory. Please be sure free is not under 10MB.
Click on the Tab for "Running" applications. Look at the list. If you don't like what some applications are doing on your phone you can uninstall them, or simply "Stop" them.
With Android phones it is common to see many applications all using CPU time which you may not want running. You can free memory by stopping or uninstalling them.