Tricorder – Tricorder Simulator for Android

Tricorder is a working tricorder application for your Android phone.using your android phone’s real sensors to detect magnetic fields, gravity, etc. Detect buried powerful magnets! See the passing gravity wave from a distant collapsar on your phone screen!† Be a mega-geek! Etc.
Features
Runs on Android 1.6 and later.
Portrait and landscape modes are handled.
Displays gravitation and magnetic field, environmental and geographic information, based on information from the sensors in the device.
Runs on QVGA, HVGA and WVGA displays, in landscape and portrait modes. On real hardware, it has been tested on the T-Mobile G1, Google ION / HTC Magic, HTC Tattoo, Motorola Droid, and HTC Nexus One, with some testing on the Hero (not the Sprint one), and LG.