Does Health Tag track calories?

Yes! Health Tag tracks physical activity from which calorie expenditure is estimated. This information can be viewed by tapping on Stats in the Navigation bar. On the Stats page there will be a yellow icon tapping on the activity icon will take you to a summary screen of tracked data by day: Active Minutes, Step Count, estimated Calories. Tapping on an individual day will provide you with a detailed view of the day's activity (and calories) along with your averages and goal.