Though doubtless simply someone who would not bear in mind leaving a ranking, it’s certainly a recognized subject that trojans entry individuals’s accounts to depart critiques on malicious apps (for instance right here is one from simply the previous 12 months https://securelist.com/smartphone-shopaholic/95544/).
“Trojan-Dropper.AndroidOS.Shopper.a. can open Google Play (or one other app retailer), set up a number of packages, and write faux consumer critiques of them. To make consumer not discover something untoward, the set up window is hid by the app’s “invisible” window. The shortage of set up rights from third-party sources is not any impediment to the Trojan — it provides itself the requisite permissions via AccessibilityService “
As such, even when this isn’t what occurred (except a trojan has focused your app with out your information, maybe a malicious app in the identical class is attempting to discourage individuals from downloading yours, so as to obtain theirs), it may be a reputable concern from reviewers, and as such, someone who states they didn’t truly assessment or fee an app might be telling the reality, and in these conditions it’s value different critiques left on the identical app for any developments.