Ayet says that they are going to bid system for incentive installs 
Plus some update on buying non-incent installs and blah blah
Bid system for incentive installs looks attractive to you?
supersonic does that, but I am not sure if it works because bidding the lowest sum there generates many downloads too.
good for those who needs smaller no. of downloads, say, 1000 per day at 0.05
I look forward to the change indeed