Yes. I found it very easy to swap between screen and viewfinder, just press the button next to the viewfinder. I like the viewfinder for aiming while zooming.

yes it does

I have a 64g in with no issues.

I took some amazing shots in lowlight. I was at a living nativity and was the only one in my group who got shots if Jesus in the tomb before the scene was lit and of the live camel

Very good in low light.

Yes, 10 second and 2 second timer.

Yes, there's a 10-second timer on it.

Don't think so. It is a fixed lense, but it's quite versatile. 24mm equiv wide and the zoom is awesome!

No.