HHT Client App is a free Android application developed by the Centre for Railway Information Systems. It falls under the Travel & Navigation category and is specifically designed for on-board chart and ticket checking by traveling ticket examiners of Indian Railways.

The app is easy to use and comes with a simple interface. It allows the examiners to quickly access passenger details, seat availability, and other relevant information. With the HHT Client App, it is easy to verify the authenticity of the tickets and prevent fraudulent activities.

The app also features offline mode, which makes it easy to access the data even when there is no internet connection. Overall, HHT Client App is a useful tool for ticket examiners of Indian Railways and helps them perform their duties more efficiently.