Hey, I can deliver flappy bird app, with new design and all your requirements in 5 Days. We have already coded many similar apps for our offline and online clients, please see our feedbacks. Feel free to message us if you like to discuss in details. We are a team of 6 in-house developers and designers from NJ, USA with 7 years of experience. We can design you a high end custom theme and art-work and develop the app to exactly match your requirements. I am available on Skype 16 hours a day so communication won't be a problem. Drop me a message if you have any questions.
Regards,
CX