I have been washing our vehicles for over 55 years and I have yet found a product that cleans the glass. I generally use the standard Windex and paper towels and in the shade the glass looks good but ...
I've had good luck with Invisible Glass and clean newsprint paper (not old newspapers). The newspapers work but on the inside the ink can transfer to light colored headliners and visors. A number of packages I receive have used clean newsprint as packing paper. I smooth it out, roll it up and keep in a cabinet in s&b garage. Works well, but may give the Sprayway a try.