Slappy Bird is a advance flappy bird game which will entertain you for hours and hours. If you are bored of the FPS and other candy games then this one will be your first pick. The game is interesting as well as hard so it will keep you focused. The game is exactly like Flappy Bird so you will not have any difficulties. You have to choose the difficulty level of the game and then you have to tap the screen and you are good to go.

Slappy Bird is another app introduced by well establish developer house of "OBSESSIVE-C.com". This game work smooth on all devices and makes the gameplay so smooth that you do not want to quit the game. As far as you go the difficulty level increase and the Gap between the Pipe narrows down. The more you score the more it become difficult for you to play

Here is the App Store description says about the app

"
Challenge your friends via Facebook and Twitter in this fast-paced, ultra-addictive, Flappy Bird inspired game. With 3 levels to choose from plus an all-new TOP SECRET level, you won't be able to put it down. You can play on easy mode to learn how to maneuver (great for kids, too), medium if you know what you're doing, or hard if you're really up for the challenge."

So Fasten your belts and be ready to face the speed of the slappy bird.