I tried change core setting / ram / device emulated by BS / graphic / re-install / etc...
Nothing work i guess without any fix of the apk it's not possible to run this apk on bluestack 4 :(
Yea i have a little bit spam chest and i have "matchmaking error" now x)
I guess it must tell im banned x)
At the begining the matchmaking work so you must have right.