Well, it didn't take long. After the recent announcement by Android Police stating that popular Android root utility app developer JRummy Apps have been acquired by a Chinese front-end firm Maple Media, based in San Francisco, the cancerous results have already found their way onto people's devices.
I noticed this today while running Genymotion on Redshift, running a virtual Nexus 9 tablet to play a mobile game on PC. Most already know that I already hate advertising in general, but stuff like this I find particularly annoying. It gives off a notification tone as well, which can be distracting depending on the area the user is in when it goes.
Fortunately, these in-app purchases are easily patched out using utilities such as Lucky Patcher, and patched APKs have already been distributed online, although trusting them may be tricky.