Citybite is a calorie and nutrition calculator and a meal-tracking tool. It is a mobile application for providing educational information and health recommendations as a game with the following features:

- employ Artificial Intelligence (AI) to recognize photos and images of Hong Kong foods and beverages for calculating calories and nutritional content.
- apply Augmented Reality (AR) to display the nutritional contents along with visual representation.
- identify foods and beverages commonly found in Hong Kong, including Chinese, Western, and Asian restaurant cuisines, fruits, vegetables, meats, grains and beverages.
- help users create a personal food and nutritional log in a quick and convenient way.
- help users make smart food choices by providing personalized recommendations.
- use a game to enable users to build a healthy city made up of different organs, a concept similar to developing a healthy lifestyle by maintaining healthy body weight and preventing the
"3 highs" (high blood glucose, pressure and cholesterol).
- provide health knowledge including nutritional information and energy balance.
- provide practical tips on how to maintain a healthy body weight and prevent the "3 highs".
- encourage users to walk at least 10,000 steps daily by tracking the number of foot steps by accessing Google Fit.
- promote users to move more often and perform stretching exercises at home through fun activities.

Citybite utilizes Google Fit to read your step count data.

Asia Diabetes Foundation (ADF) is a charitable organization developed to initiate and implement medical, scientific and academic research activities to collect and translate current evidence into prevention and control strategies for diabetes and other chronic diseases. ADF is dedicated to promoting informed decision making in order to enhance the sustainability, affordability and accessibility of chronic care.