The ASUS ROG Phone, the fourth in a new generation of gaming-centric Android smartphones, is going to be compared a lot with the Nintendo Switch. And, to a lesser extent, the Nintendo DS. On paper and at first blush, it definitely checks of the right boxes to sing to gamers' hearts. While we anxiously and excitedly await the time for a more in-depth review, we can already see how the ASUS ROG Phone could easily snatch the mobile gaming crown. That is, if ASUS can implement one feature that’s missing from almost all mobile gaming phones and accessories.