Yes, Nokia 7 Plus does have the Corning Gorilla Glass 3 protection.
No. Despite a bigger battery and the Aluminium Alloy body, Nokia 7 Plus does not have any abnormal heating issues.
Yes, Nokia 7 Plus does have the bokeh mode in front camera.
Nokia 7 Plus front camera is 16MP and it has an aperture of f/2.0.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.