fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.
Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
Kinomap - Kinomap app enables you to view videos to get guidelines about how to get into the perfect shape right through their mobile phone.
AutomateIt - Automate Your Android!
Strava - The #1 app for runners and cyclists
LIama - LIama is a Location-Aware Mobile app that determines your location and helps you do lots of other stuff with ease.