ThrottleLock is a pattern based lock application, fully skinable and with multilanguage support.

Changes:

– Now you can repeat dots!!!.
– Faster (implemented with the new ThrottleLauncher png rendering engine based on libpng and zlib).
– Slide 2 answer feature. On 0.5.1 this is optional and can be disabled in the configuration tool .
– 0.5.1 Includes some bug fixes to make it work faster and don’t affect the default notification dialogs.

http://forum.xda-developers.com/showthread.php?t=419525