The Republic of Gamers name may be about to expand into new territory. Although a surprising concept, the idea may not be that far-fetched as there are already a small number of gaming-centric smartphones including those from Razer, Xiaomi, and ZTE. A ROG smartphone could theoretically be based off of Asus' existing ZenFone line of consumer smartphones to lower upfront costs of investment.
https://www.notebookcheck.net/Leaks-suggest-an-Asus-ROG-gaming-smartphone-for-Computex-2018.303230.0.html