(Optional) Your display monitor's pixel density:

Note: Usually found on the manufacturer's specs page

This allows us to adjust the size of the virtual display on the left to match the actual physical screen size of the selected device. Useful if you need to see how your ad will look like when running on the actual device and to make sure all your UI elements are large enough for tapping with a finger.

Nintendo 2018 Q1 - Kirby Star Allies