I might be missing something, but is this legal? Where are you getting all the games from and why are you trying to remove in-game ads? There's a reason these games are free and while I think users should be allowed to bypass ads using ad-blockers, it seems bad-natured to do it en-masse for everyone.
I know is not a good way to remove the ads. This would create the best experience for the end user. I would like to take another approach to monetization and then of course, reward the actual authors with a part.