Fitbit has everything I need, the steps, the Heart Rate, it has all of my exercising modes, and it has a fair price. It has a rather simplistic User interface, which I really like to be honest. Highly recommened!
Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
AutomateIt - Automate Your Android!
Tband - Tband is one of the best mobile apps introduced by Shenzhen Mi Dun Technology Co.
LIama - LIama is a Location-Aware Mobile app that determines your location and helps you do lots of other stuff with ease.
Lose it! - Snap a photo of your food to get nutritional facts