whats up so was browsing and downloaded this app called knock detector it tells you to go WOT and detects knock not sure how accurate it is but here you can read why the designer mad it i downloaded it and like it i can also see IAT temps and coolant temps
Knock Detector for Android - NASIOC
now if you see my other posts not sure if you have i told you i have get some kr in between shifts none on full acceleraion only on shifting so this app might be worthwhile testing out its free for torque pro