Yes, LG G7 does have the portrait mode.
Yes, LG G7 is Qualcomm QuickCharge 3.0 compatible and also bundles a fast charger inside the box. The charger supplied with the box is of 9V/1.8A and a 30-minute charging session gets G7 from 0% to 40% charge.
LG G7 has a display resolution of 1440 x 3,120 resulting into 564 PPI.
Yes, LG G7 Plus does have the wireless charging support. It takes about 3 hours to fully charge the LG G7 battery.
There are so many little things done right in the G7, but it's up to you to discover them as our review is about to end. If you can live with the small setbacks the still camera has, then you most definitely have to try the G7 for a size.