I've used Torque Pro on Renault Megane and worked well,just OBD->Bluetooth is not fastest,would have look on the Wifi version,which is expensive,but you will be not limited
Second bit is there is for Torque pro too Knock Detector
https://play.google.com/store/apps/d...kills.kd&hl=en
Will try tomorrow or sometimes this week too on the Ford Mondeo ST TDCi
Jura