Sensor and Shield LCD TFT 3.2 Arduino

I'm doing a project with lcd tft of 3.2"

http://www.ebay.com/itm/3-2-tft-lcd-shield-touch-panel-TF-Reader-for-arduino-/270972145966?pt=LH_DefaultDomain_0&hash=item3f1732d12e

i want to connect a alcohol sensor for see the information in this screen but i really don't know if i have one analogic pin free.

i'm occupying Arduino UNO with the library UTFT RevB.

Can you help me please???