WeeGooAds is a Google Certified Publishing Partner that helps publishers monetize games, video and display ad spots. Its Game Launcher runs preroll, midroll and rewarded ads inside games, WGPlayer runs preroll, midroll and postroll video ads, and AdFlex serves display ads picked per device, reaching more than 3.2 billion monthly impressions across over 1,200 publishers.
How to open an account here, what it takes and the minimum spend.