As per our Terms of Service the game is for entertainment purposes only and you cannot withdraw real money. Here is the pertinent section of our Terms of Use:

“Provided Application is a game intended for amusement and entertainment only. The game contains virtual currency used to play the game. The game currency can be purchased for real money or won during gameplay, but it has no cash value. You may not sell, trade, transfer, cash out, redeem or in any other way exchange it for real money or for any real goods.”