Malware researcher Lukas Stefanko has uncovered nine fake Android apps that show ads on users’ devices. The apps are advertised as remote control apps, either for multiple electronics or for specific ones (like TV-sets, air conditioners) and they all come from the same developer (Tools4TV) The most popular of the bunch poses as a universal remote control for TV and has amassed over five million installs since June 28. It is also the oldest app on Google Play containing the adware functionality because it received no update since it was first added in June.
Source: https://www.bleepingcomputer.com/news/security/new-batch-of-9-adware-apps-in-google-play-installed-over-8-million-times/