Hi-Hiker for Android is an awarded application for android powered devices. It has won the public prize of the French Android Vodafone challenge. It is a all in one tool mainly designed for hikers and bikers which virtualize all the different devices needed in the mountain. It includes for instance a pedometer, stopwatch, compass, flashlight, maps, altimeter, GPS tracking, weather forecast, and emergency call. You can save your different sessions and import or export your trips as a GPX files to visualize your them on Google earth.