LG G7 has a display resolution of 1440 x 3,120 resulting into 564 PPI.
Yes, LG G7 does have the portrait mode.
Yes, LG has added voice recognition in LG G7 Plus. This is actually a combination of a new chipset, a few mics and Google's AI. The G7 Plus can recognize your voice from up to 5 meters distance even in a noisy of surrounding and can launch Google Assitant in an instant.
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.
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.