Bundled with Virtual Boy Store Displays, two demo cartridges were sent to US retailers. These variants of Red Alarm and Virtual Boy Wario Land are identical to the retail versions, the only differences are the "Not for Resale" labels as well as the serials being prefixed with "DIS-".
Red Alarm: Virtual 3D Shooting Game (Demonstration Sample)
レッドアラーム
Special demo versions of first party VB titles were shipped along with store displays in Japan. These are identical to the retail versions, except for a sticker on the box identifying them as "demonstration samples".
Nintendo Switch Online Digital Release