So If you wanna be a big guy in your team (friends) follow these steps (your device must be rooted!!)
1. Download this game from market
2. You need a file manager that can access root folders (ex. es file explorer)..And when you download these 2 you are ready to go
3. Run game,and play it until you crash (that will be very fast ) or immediately..
4. Just hit a home button
5. Run your's file explorer that can access root files,and in search type "flappy" and you will be navigated to "com.gears.flappybird" enter in that file
6. Then you will see folder "shared_prefs" and open that folder
7. You will see "FlappyBird.xml" and open it with text editor
8. And you will see code line
<int name="score" value = "1" /
10. And instead of 1 type and number you want And tap options menu and save
11. Exit file explorer and press recent app's button and get back to the game..Tap to play again and when you crash in high score you will see the number that you type
This tutorial was made by me!
If you like it,you know what should you do