Inclusion Criteria:  Singaporeans or PRs Male Between the ages of 25 and 60 Body mass index (BMI) of between 23 and 27.5 Own and use a smartphone or tablet  Exclusion Criteria:  Currently participating in any other research program focused on physical activity or weight loss. Note: exercise or education programs (e.g. gym membership, diabetes education class) do not count as research programs. Have any reasons why they would not be able to complete a 24-week research program focused on improving health (e.g., plan to move to another country) Have a serious medical condition, including one or more of the following conditions: High blood pressure (hypertension), High cholesterol (Hyperlipidaemia), Heart attack (Myocardial infarction), Heart failure, Stroke (Cerebrovascular disease), Chronic obstructive pulmonary disease (COPD), Kidney disease, and Diabetes (Type 2).