Any one can help I bought s21 because it is update able to one ui 6.1 that has awesome  features but unfortunately I am not able to enjoy this version  because my one of my most favorite features is sound assistant that is missing in good lockCan...

In my good lock app sound assistant is missing and I am non able to install this from galaxy store I searched on galaxy store and there is nothing from this name anywhere I found a link and click on this they says it is not available for your phone ...