"One of the main problems many new users of Windows Mobile have is that the navigation can be difficult to master. It the interest of assisting with the transition from “newb” to “Windows Mobile Expert” (hmm…catchy), I’m going to explore the best hardware shortcuts for some of the devices currently on the market. Today’s device is the Samsung Blackjack."
If you have been looking for all those hardware button shortcuts here is a handy list of them. Most of these should work on the BlackJack II as well.