The app is a physics engine processing 1000 integrals per seconds to measure engine power for a car, any car in the world is supported, as you design it yourself providing some information at app setup.
It is very easy to use:
1) You add a car, a few information is inevitable required to fill, so the physics engine can create a especific test for your given car design.
2) App will provide you with 3 single steps to follow, it is required to have a copilot to operate the phone while the other person drives the car
3) Once steps are done, app will show the time and will start the processing to find engine power and torque.
The app is fully free and you can find it at Android Market at https://market.android.com/details?id=c ... rch_result