Conceal - enables you to restrict access to various PalmSource applications and your information stored in those applications. You are able to choose 'Hide' and/or 'Lock' for each application. The 'Hide' option moves all the records from an application so that it appears empty. The 'Lock' option stops an application from being launched
Kiosk is a hack/DA combination that allows you to lock your Palm to a single application.
This is useful if you want to loan your Palm to someone for a specific purpose; e.g. a child playing a game or a co-worker to use the calculator
LockMe! - allows you to choose the most convenient unlock combination for yourself. Nokia users, you can forget now the boring "Unlock" + "*"!
Another feature allows you to set a day period during which the phone will light the display after any key activity. Thus, unlocking keypad in the night will be as easy as in the day