Read this if the game doesn't load.
Play Online Legend of Zelda Phantom Hourglass on Blogbucket
Let the game load and press Enter on Homescreen to start the game. After you see the file has been created, click anywhere on the screen and then click the New Game button.
Type your name using the left-click on the keys. Mouse click works on the onscreen keyboard.
Finally, you can select adventure or battle mode to play the game. Read the story if you like and enjoy the game.