Intercity Through Train is a free Android app developed by MTR Corporation Limited that provides intercity passenger services between Hong Kong and cities in China, including Guangzhou, Beijing, Changping, and Shanghai. The app offers a range of features such as timetable, fare, ticketing information and latest news for passengers.

The app is available in Traditional Chinese, Simplified Chinese and English versions and supports offline search for Train Timetable, Fare, ticketing agents, and basic information to passengers. One of the unique features of the app is that ticket purchase of Guangdong Line can be made through this application for ticket collection at Hung Hom Station, Hong Kong.

With Intercity Through Train app, passengers can easily search for the schedule and fare of their desired train, and purchase tickets in advance. The app is user-friendly, and its offline search feature is particularly useful for passengers who may not have access to the internet while traveling.