AppsLock provides that ultimate protection to your favorite apps on BlackBerry!
Now access to All your Applications is Password Protected! 
  
AppsLock Features:

   * Lock/unlock all installed apps including BlackBerry® Messenger, Gmail and Social Sites like Facebook!
   * Locks SMS and MMS
   * Lock call logs, address book, calendar etc.
   * Simple and Great UI
   * Now Lock all the Native Applications and Third party Applications
   * Lock all Applications installed on Phone Memory
Source : https://appworld.blackberry.com/webstore/content/79177/?lang=en

Download ota Apps Lock Pro 1.1
http://bit.ly/UaqSrk