A free program for Android, by Birikis.

A comprehensive tool for monitoring and diagnosing your car’s engine and drive train. It will display data from different sources and provide the user with detailed information regarding the condition of the vehicle. You will be able to take a closer look at various data and receive detailed and accurate reports regarding the condition of the engine and the drive train. You can use the tool as a base for diagnosis and repair of your car.

You will need a Bluetooth-enabled ELM327 or compatible OBD2 sensor for use with the application.

You will need to connect the sensor to your car’s OBD port. You can do this via a Bluetooth connection.