What is click spamming?
This is a type of fraud that usually shows abnormally low Conversion rates in mobile offers.
Another characteristics for click spamming traffic is an abnormally high percentage of installs with a very long click to install time. This fraud type basically is poaching organic traffic by executing "ad" clicks that users haven´t made.
Usually if a real user is interested in the app they will install it within the first two hours after the click. That is why most client require at least 70% - 85% of the installs should have a click to conversion time of 2 hours or less.
How to check for click spamming?
As a Publisher, you can check the performance of your sources for click spamming by logging into your Performance dashboard:
In the above image, is a clear indication on how you can measure the click spamming installs and rates of your sources. And also if you need a detail report of per install then you can see that in the transaction report.