Have you been blocked in sudden and brutal traffic jam? You have certainly missed or gone late to very important meetings or rendezvous due to traffic jam. You are forced to wake up very early or to have to change your itinerary several times because you want to avoid jams. Discover a new way of driving around easily avoiding all traffic blockages, and saving time. JAM HUNTER is a mobile App that easies your displacements. It uses a participative (crowd-sourcing) approach with each road user passively participating to aid reduce traffic jam situations and help others avoid blockages. JAM HUNTER is an original idea of the members of the PIKIN TECH group and is developed by 11 students, 5 of which are girls aged 16 to 19 years.