How do you categorize the porn ads?
Well, to my knowledge, I don't actually have any porn on my android gadget. (My Macbook has a much larger screen.
In any case, the question is general: How do we reliably find out what stuff in our gadget is using the battery and/or bandwidth? To be useful, the software supplying such information should work for whatever apps we have installed, especially those that came with our gadget. The suppliers of the gadgets don't seem very interested in helping us. In particular, Google and Apple are the two major suppliers of "smart phone" software, and neither seems very trustworthy when it comes to learning just what their gadgets are actually doing.
Somehow, with all the attention that the spread of portable Internet-enabled gadgetry, the Internet community seems to have been taken by surprise by the way that the corporate world views it not as a source of information, but rather as a new method for distributing marketing to their mark(et)s.