Genshin is now testing it too. According to various testers it’s called “HoYoPlay.”
Dim

This is pure speculation but from what I've been investigating, I feel they're going to eventually unify all game launchers onto a single one from how it's designed.
Launcher got completely overhauled on Honkai Impact beta.
SethosBodyType: Boy
Weapon: Bow
Rarity: ???
Element: ???
He doesn't have textures.
Rendered with vertex colors for better visibility.
Vita will appear on 7.4 patch story with the new model which changes her pants.
[HI3 - 7.4 CN BETA] Event Stigmata

[HI3 - 7.4 CN BETA] Garuda Hua Skin Splash
(That has the infusion people was looking for)
[GI - 4.6 BETA] Boss in Archive

(it's an edit)