Check the how do I FAQ
to the section "Scrolling/Camera".
There are a few examples of how to manage the scrolling.
Most of them use the keyboard or the mouse though, but it should be easy replacing those inputs with the touch plugin.
In the same list there are a few examples of how to use the touch plugin (in the "Touch" section).
This and the manual entry
on the Touch plugin should help you.Kyatric2012-01-13 08:10:12