In September, the assortment of trojans detected in Google Play included downloaders, bankers, adware, and spyware. Researchers from Russian antivirus maker Doctor Web found multiple apps on Google Play posing to be games that delivered malware downloaders. In one case, the malware was hidden in a mobile application advertising that it could locate family members. The researchers say that Android.Joker also stole phone contacts and delivered them to the attackers. Google acted quickly and removed the offensive entries.
Source: https://www.bleepingcomputer.com/news/security/games-and-utility-apps-in-play-store-hide-bankers-and-spyware/