He's really a PR genius. When he restores Flappy Bird to the app store next week, after a week of the media writing about how it was taken down abruptly, It'll blow up even more.
When - if - he removes it from the app store, Clumsy Bird [insert clone here] will take over his sales momentum, and Flappy Bird will never be heard from again.
indeed , clumsy birds is coming close.
Possibly...and it's an excellent opportunity to raise the price.