I have encountered a big problem(at least for me). Sometimes when i accidently tap an advertisement, especially at the left right edge of the screen im disconnected from a current game(especially annoying when playing MMO games). I suggest, that You could change AD mechanics to pop up/new tab.
Maybe i am the only one, that find this annoying, or im just being clumsy, but i think that it could happen to anyone, especially when playing using touchpad...
I had to write about it after few successive switch-over to another game from AD
Hope this helps improving the site, at least i got rid of an anger, also in advance sorry for my poor grammar. English is not my main language, so i suspect, that You will be a bit understanding.