They CAN take it off iCloud if it's a serious infringement but flappy birds is just a simple game. I know an app with all episodes of American the Simpsons family guy etc. I got it for free and they removed it from iCloud so if u delete that game there's no way to get it back.
Best result a friend has in my school is a legit 177, and a guy called Ben who goes to another school in the same town as I has a legit score of 665. Crazy stuff. There be me, still lagging behind at 24...
Don't worry y'all! Sesame Street has got us covered!! http://www.sesamestreet.org/cms-static/flappy_bert/