Pull out any character like cupcake , Cody, etc...
Add a rule. The rule is " when iPad is pressed, leave a trail. Pull out " move forward " and put " set position. " in set position put" last touch x" and "last touch y"
Add another rule. In the rule put" set position "and put in the block "last touch x" and "last touch y"
Add one more rule. Put in " set invisibility " and set it to 100%
*this post is to people who don't know how to make it . It's just a little tutorial.