Improved Chat for Facebook will allow you to chat on facebook with a familiar interface.
– Securely login to facebook chat
– Shows Homescreen notifications
– Choose what sound you want to play for a new message in profiles
– Update your facebook status from inside of the application
– Chats save automatically and to delete them you highlight the chat you want to remove and click the BlackBerry® button then press delete selected chat.
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Setting up sounds and vibrate alerts:
– go to your sound profiles, scroll down to “edit profiles”, select the profile you would like to edit, scroll down to “”other” and click to expand. Find “fb improved” in the list and click on it. from here you can set the alert tone, volume, vibrate, and many other controls for the application.
Purchase here for $1.99