WSD Mobile App is a free Android app developed by the Water Supplies Department HKSARG. It falls under the category of Utilities & Tools and provides updated water supplies information. The app offers features like water bill summary, bill reminder, and water suspension notices. The subscription on Large Housing Estates basis is newly added.

To access the bill summary or bill reminder functions, users must log in using their registered user IDs and passwords for Electronic Services of the Water Supplies Department. With this app, users can stay updated with their water supplies information and manage their bills with ease.