Calling it right now.
No one just takes down an app that is generating $50k+ day in ad revenue. This might just be a brilliant PR stunt, should drive several million downloads today. No way is the app coming down tomorrow.
I think this may be the case, but wouldn't be surprised if he did take it down. He has plenty of money from this, the name recognition now that any releases he makes will get a decent amount of players, and he can just work on something with less pressure behind it.