The search provides you with a list of alternative routes which can be used to travel from the source to destination station. It provides you with the number of line changes and station stops involved in each route.
This is an alternative to finding train routes by looking for lines and station connections on the Map. The App determines the routes in a manner which is quite similar to how any person will interpret the routes from the Map.
You can also view the detailed station list for each train line in London. You can long press on any station name from the list to see it on online maps.
This app can work completely offline (without internet).
The routes are proposed by considering the station stops on the following tube and train services in London city:
Abellio Greater Anglia
First Great Western