> The following fees apply when a user completes [...] any app installs within 24 hours of following an external content link

So does this mean a malicious competitor or motivated disgruntled user could fraudulently cause millions of app installs? With the scale smartphone activity fraud farms are at these days, paying a few thousand dollars on such a service to cause a developer to spend a few million dollars on worthless installs (or a lot of resources arguing with Google) seems like a worthwhile endeavour for the motivated.