https://www.bleepingcomputer.com/news/security/android-malware-joker-still-fools-googles-defense-new-clicker-found/

Joker malware that subscribes Android users to premium services without consent is giving Google a hard time as new samples constantly bypass scrutiny and end up in Play Store.

The malware is under constant development and new samples found in the official Android repository seem to be created specifically to avoid Google's detection mechanisms.