HA Go is a new one-stop app developed by the Hospital Authority (HA) integrating several HA apps with new useful features and functions. HA Go facilitates patients to manage healthcare more effectively at their fingertips. Patient can review upcoming appointments and attendance records in the past one year. HA Go provides a platform for the public to submit application for Specialist Outpatient Clinic (SOPC) new case appointment. It covers the specialties of Anaesthesiology (Pain Clinic), Cardiothoracic Surgery, Clinical Oncology, Ear, Nose and Throat, Eye, Gynaecology, Medicine, Neurosurgery, Obstetrics, Orthopaedics & Traumatology, Paediatrics, and Surgery. HA Go provides another platform for patients to pay fees and charges. The mobile application would also provide the information of bills. This platform would also offer other payment options, including Scan and Pay and Barcode for convenience stores. Patient on rehabilitation programme can follow instruction and carry out exercises prescribed and designed by therapists anywhere anytime at home or in community at their own choice. Programme is available in form of multimedia materials including videos and games. This platform helps patients find their dispensing records, drug information and allergy records. More new features in HA Go will be available in the near future. HA Go is available in Chinese and English.