Connect your tablet plus an ELM327 compatible OBDII adapter (Bluetooth or WiFi) with any OBD compliant vehicle with OBDTest.
Read your car RPM, Oxygen Sensors Voltage, Accelerator Pedal Position among many other parameters in real-time (available parameters depend on vehicle under test).
Find out what is turning on the Malfunction Indicator Lamp by reading the Diagnostic Trouble Codes, and erase them.
Share a test snapshot with all of the readings obtained.
This lightweight application summarizes all OBD functions in a simple and highly configurable interface.