Asus set out to create the best smartphone for hardcore gamers and Android power users. The ROG Phone II went through several iterations until the engineers found the optimal design - this is a look at the designs that were tried and rejected in the process. This phone targets people who game 16 hours a week or more, as well as those who want a flagship with exclusive features. Asus says that these groups of consumers want the biggest screen possible and don't mind a heavy phone. The only design limitation was that the phone had to be no more than 78mm wide as consumer research showed this...
Source: https://www.gsmarena.com/asus_rog_phone_ii_design_story-news-38261.php
