The genuine file will be named something like com.mypetshop.normal.v1.2.3.apk . If it says mod , hack , free , or unlimited —delete it.
The "Normal" version refers to the standard, unmodified game downloaded from official app stores. It contains no third-party cheats and requires grinding or optional in-app purchases to progress. My Pet Shop -Normal Download Link-
That is the only legitimate for computers. The genuine file will be named something like com