This is ActionTab. It will play a song and show you how to play it. You can see the available songs here.
Watching ActionTab is like watching a guitar teacher play in front of you.
Each of your fingers are represented by a colored dot. All you need to do is place your finger where the dots is and play the string when it lights up. It's that easy!
Try it for yourself. Get a trial account and see how much faster you can learn with ActionTab.