@Mưa~
@xin 5*+ 1 cảm ơn+ ctlhn nghen~
VI.
1. Flappy Bird went live on IOS App Store on May $24^{th}$, 2015.
2. No, they didn't.
3. Dong was earning an estimated US $50,000 a day.
4. He decided to take the game down under presure of press, blogger, and Vietnam's technology community.