The "N.H.O PMS" app is designed to simplify the process of managing building services for residents. With this app, residents can easily book services such as maintenance and repair, cleaning, and other building-related services. They can also check and pay their service fees directly through the app. In case of any problems or issues, residents can submit a request through the app, and track the progress of the issue until it is resolved. The app also allows residents to register visitors with the building administration. Finally, the app allows residents to read acknowledgements from the building administrators regarding any issues or requests that they have submitted. Overall, the Resident Services app is a comprehensive solution for residents to manage all their building-related needs conveniently in one place.