Mobile Personal Trainer (Food) - In many ways the computer has made our lives safer, more comfortable and more entertaining. In other ways, it has make our lives less active and more impersonal. People who spend hours in front of screens for works, and then hours more for leisure, spend little time on physical activity and become less healthy as a result. DoiTech Mobile Diet indicates how many servings you should eat from each food groups. At each meal, select the food group you consume. Aim to have zero balance for each group at the end of the day. Once you reach your small weight goal, you can set another calorie level.