Development and sales of OBD diagnostic device using mobile phone and smart phone technology. The system comprises a application you get on Android marked or direct link and an OBD Bluetooth adapter you either buy at the local dealer or online. MoBilScan gives access to any information comprised in the so called OBD standard, this means that you can readout fault codes, continuously receive and display a full list of engine parameters like oxygen sensor readings, air mass, temperature sensors and other parameters used by the engine control computer.