The goal of this clinical trial is to provide scientific evaluation on the effects of Promoting Healthy Aging with Sport Exercise (PHASE) Programs on the functional capacity of older. Based on the participants' mental well-being and physical health status, they will be provided with several tailored exercise intervention, including 1) football training; 2) gero-technology enhanced multi-component exercise; 3) slow sports and exercise; 4) walking exercise; 5) home-based exercise. A control group is also recruited and provided with no exercise intervention.