setting a Disposition for unlisted applications to disallowed will remove them without letting the OP review them.
If you want to get a list of all installed applications you can either dig through each user to see what applications they have installed.
You can use the
BRK tool BlackBerry Application Reporting Tool with the following syntax to pull info on applications installed.
HHAppReport -n SQLSERVER -db BESMgmtDATABASE