My son Jared and a friend of his have got a new web sight just going. it record's your speeds and will also do the G's, that is being worked on, it has a few bugs. They are in the process of talks with a few sponsors etc. You need a good cell phone and a Android program on your phone that they developed. Here is the link. I registered to support my kid, but I don't own a cell phone. great for track guys to record your top speed. https://market.android.com/details?id=com.jessieamorris.pacecar&feature=search_result