The Eagle files appear to match the TFT Shield that is shown on your website but not the one we have.
I also purchased mine at Radio Shack and it is very different from the one shown in the Eagle files and the website.
The device appears to work OK so far but it does not seem to behave exactly the same. I am having a very difficult time changing it from the default vertical orientation to horizontal.
Here is the product listing:
http://www.radioshack.com/product/index.jsp?productId=12688460&ab=microcontrollerLP#tabsetBasic
Here is a picture of the unit I have. Clicking on it will bring you to one large enough to read the markings:
