If your Samsung S3 is rooted then you can just download the APK https://play.google.com/store/apps/details?id=com.darshak&hl=en
It interacts with any Intel/Xgold baseband

If you want to see something interesting, install it and go to the nearest airport. Watch your baseband warnings go off because all airports have some kind of shady nation state attacks going on to identify and track passengers. Most airports worldwide are running Stingray towers too by the DEA to catch drug smugglers but of course it's a wide net capturing everybody