Google removed 36 fake security apps from Google Play three months ago. These apps posed as useful security tools under the names Security Defender, Security Keeper, Smart Security, Advanced Boost, and more. They also advertised a variety of capabilities: scanning, cleaning junk, saving battery, cooling the CPU, locking apps, WiFi security, and so on The apps were actually able to perform these simple tasks, but they also secretly harvested user data, tracked user location, and aggressively pushed advertisements. Google removed the fake apps and Google immediately removed them.”]
Source: https://hackercombat.com/when-google-removed-36-fake-security-apps-from-google-play/