They say it's an open system so it may work on a tour?? with the correct adaptors ex... I didn't look fully into the specs but it's a great idea.
OEM's page
ClickyA wrx site with more info..
clicky
TurboXS Tuner $699
With the increased popularity of user tunable engine management the TurboXS ??Tuner? is the first affordable tuning package available that empowers the user to safely tune their vehicle by providing the same information used by professional tuners. Designed with professional tuning features but catered so novice tuners can easily operate.
WB O2 Sensor Controller:
1. PID Closed Loop Heater Control Circuit: Ensures optimal sensor temperature and highest possible accuracy at all times
2. Bosch LSU4 Factory Calibration: On board circuitry recognizes factory calibration resistor of each individual Bosch LSU4 sensor
3. Free-air calibration: User initiated mode allows accuracy to within 1% of actual AFR
4. Built-In Diagnostics: The controller senses sensor removal, sensor failure, sensor temperature too high or sensor temperature too low
5. Fuel Types: Can be used with Petrol, LPG or user specified fuel
6. Display Range: Air fuel ratios from 9.0:1 to 25.0:1
7. Display Reading: Lambda or air fuel ratio
It's amazing what you can adapt a GameBoy to do. My brother has one running a fuel injection map readout in one of his test cars.