PNR Status : You can check your PNR Staus. If your ticket in RAC/Waiting then app will inform you when it will get confirmed.
Live Train: With help of this option you can see the present location of particular train and also its further detail
Spot Your Train: You can get the Information of particular train arrival on a particular station.
Live Station: In this option you can know the arrival and departure of trains at a particular station within 2 or 4 hours.
Goolge Play store Link