http://press.tapwave.com/company_pr_10212004.html
the exclusive Tapwave Zodiac version of the game will support Zodiac-specific features not found on other handheld devices, such as a high-resolution (480 x 320) screen to show off Madden's superior graphics; game play in landscape mode; analog control with built-in joystick; enhanced stereo sound through the Zodiac's external speakers; and game vibration effects.
etc.