Its safe or not

Its impact on effect on my Adsense account and it only provides traffic only or click on ads also

http://www.sparktraffic.com/faq.html

Is it Adsense(and any other Pay Per Click affiliate programs) safe?
Yes, it is absolutely safe for PPC ads, we avoid clicking on ads and therefore you won’t violate any rules of these programs. In case of Adsense by default we don’t even load the ads so by default you won’t see any impressions.