The concept of a purpose-built gaming phone is still somewhat in its infancy, though we are starting to see generational upgrades, such as the ASUS ROG Phone II. As the name implies, this is the second generation of ASUS' gaming handset. Like the original ROG Phone released last year, the ROG Phone II combines bleeding edge hardware with gaming-centric software optimizations. ASUS sprinkles in some nifty features (like Air Triggers) and then surrounds it all with optional accessories to amp up the experience. What ASUS has essentially created is not just a gaming phone, but a smartphone gaming ecosystem...