Vulnerability numbers alone do not accurately convey the mobile security landscape. To start with, even if those mean something, we must consider that Android devices tend to lag behind in terms of receiving OS updates. By contrast, iOS devices tend to be quickly updated.
Few centuries ago, it was widely known, that the Earth is flat. Just because something is widely believed, does not mean, that it is true. I would prefer to believe hard, cold numbers, or analysis like this: http://qz.com/131436/contrary-to-what-youve-heard-android-is...
That F-Secure report describes legitimate applications that could be potentialy used as a malware (e.g. just like Wireshark on desktops) or trojans. What happens with trojans is described in the link above.
Also note, that it is in F-Secure's interest to cause scare, it is good for their business. They are not interested in people rationaly thinking about presented issues.
It is widely known that iOS is far more secure in the practical sense for the average user. Report: http://www.f-secure.com/static/doc/labs_global/Research/Mobi...