Problem working with touchscreen LCD on Mega2560

Hi guys! I bought a 4.3" (480*272) touchscreen LCD to work alongside ARDUINO Mega2560. The controller model is SSD1963. Additionally, I'm using a "TFT LCD Mega Shield" as the interface in order to avoid wiring 40 pins!!

I'm using UTFT library (from Rinky Dink) for Read/Write purposes and it perfectly works. However, I haven't been able to initialize "Touch" yet. There is a URTouch library (again from Rinky Dink), but it apparently does not support this model. As I upload any of the library examples onto the board, it only displays random colored pixels, and does not respond to any touch input.

Does anyone know how to work with touch? or is there a library to take advantage of?