There is a slight change between how one can pause an application in
S60 phones and in JP phones. Here is how you can do it
Set Jad property Nokia-MIDlet-Background-Event: pause .
Listen to event hideNotify().
Upon reception call your pauseApp. Most developers tend call pauseApp
() manually.
More on Java applications at
http://developer.sonyericsson.com/site/global/docstools/java/p_java.jsp