High-definition wallpapers (HD/4K), custom gaming-inspired icon packs, and 3D transition effects.

To apply a theme downloaded from a third-party source like APKPure : Theme for Asus ROG Phone 5 APK for Android Download

"Theme for Asus ROG 5 Ultimate," "ROG Theme for Computer Launcher," and "Asus ROG Phone 5 Pro Launcher". Generally lightweight, ranging from 6 MB to 30 MB . How to Install Third-Party Themes

Most themes available on APKPure for the ROG Phone 5 require a third-party launcher to function properly.

Nova Launcher , Action, Apex, Go Launcher , Holo, and Smart Launcher.