Graphic options unlock key
If you forget your unlock on Android and thus made many attempts to enter the graphic key you pop up a message, something like "input is locked for the next 30 seconds". Total given 5 attempts, then 30 seconds later you will get five more attempts and so on until you get bored.
What options unlock Pattern Lock
If you continually enter wrong unlock pattern, then you forget it, and it makes no sense to try to pick it up. Although if you do nothing, we have list of the most popular graphic keys.
And for the rest I recommend reading options unlock this detailed article. Written everything is simple, to bypass the protection on Android does not take a genius enough just to read. The methods are different and depend on your version of Android.
Is there a ready program to unlock Pattern Lock? Yes, but not here, such tools are usually expensive and not for the general public.