I've seen some people already post about this but I've gotten a response from ASUS about this.
"Sorry for your inconvenience.
We found there are some critical issues in this version, so we have removed it from Google Play temporarily.
We will fix it and update soon, please wait.
Thank you for your patience.
Asus ZenUI Team"
"Sorry for your inconvenience.
We found there are some critical issues in this version, so we have removed it from Google Play temporarily.
We will fix it and update soon, please wait.
Thank you for your patience.
Asus ZenUI Team"
xda-developers