[murbard2]

Don't show street view, show the camera's feed and correlate it with street view, the GPS position and the compass in order to superimpose directions on the image.

Light condition changes would be a pretty tough problem to solve though.

[Terretta]

Isn't it extraordinary that you're carrying a device powerful enough to make your suggestion plausible?

[murbard2]

Yes, and it's equally depressing that it's implausible you do that for a little while without totally draining the battery.