glacierstudios
Add the Browser object
Add a Sprite to act as a button, then on mouseclick or touch of the sprite add the Action: Browser->Open URL in a new window
Set URL to:
"https://twitter.com/intent/tweet?text=Just got a high score " & HighScore
where HighScore is the variable where you store your high score
For more options with Twitter e.g. Follow, look here: https://dev.twitter.com/web/intents