Global Game: Crazy Mobile App

A completely unfamiliar mobile game app has appeared simultaneously on phones worldwide. It can't be uninstalled or moved and is very strange.It has the ability to take people back and forth between the game Otherworld, allowing them to bring Skills, Equipment, and all sorts of items back to the present world.All of humanity is forced to participate in this game.Hang Yu felt as if a time-space tunnel had opened before him, with an irresistible force pulling him in, trying to completely swallow him."Holy crap! Holy crap!""What's going on? Am I dreaming?""Somebody help! The mobile game is eating people!"