Tafasa has created a free “Lite” version of their premium PatternLock application for the BlackBerry Storm.

The Lite version only has the following basic features:

• Autolock on startup and when device is inactive
• Pick your own pattern over a grid of 9 dots (you may reuse dots in your pattern)
• Simple design that seamlessly fits in with the BlackBerry Storm interface
• A fun and easy way to secure your device

The premium version has the above features plus the following:

• Pick your own wallpaper image for portrait and for landscape
• Assign to the hardware lock key
• Password protect your options
• Individual application lock
• Location based locking (do not lock when in certain locations by using GPS)
• Full featured call screen lock with many display styles and ability to exclude numbers from engaging the lock
• Ability to disable autolocking when certain applications are running
• Tons of options to customize the way PatternLock looks
• Fix orientation of the lock screen in portrait mode
• Backup/Restore options
• Emergency call button on the lock screen with a custom phone number
• Lock out device after a certain number of failed tries
• Keep track of how many times your device has been locked out
• Show owner information on the lock screen
• Sounds/Vibration
• SMS,MMS and Email notifications on the lock screen
• Many more…

You can find both the free PatternLock Lite and the premium version available for $2.99 in the store, or right on your BlackBerry from the Mobile App Store.