7" tablet noted.. LOL. That phone screen is good for 2 gauges at my age and eyesight..

And like you say.. for the price its a cheap date to see what's going on under the hood!

Now you just need to get serious and find the PID for air/fuel and lambda formula..

I know you love a challenge! LOL

Edit:

Hmm.. mount located at vents.. side hinged.. that you could activate HUD and rotate to display just under the mirror.. ahh.. this never ends.. LOL