Click the POWER button on the Wii U to turn it on. Click Amiibo to get Mario Amiibo. when placed on the Amiibo thing Mario will show on the screen. Click the + buttons on the Wii U to move it. Click the HOME button on the Wii U to get to the home page. Click on the games to WATCH the games. You can NOT play them. Sorry 'bout that. Press space to exit out of a game and go back to the home menu. Please know that you Cannot exit out of the home menu, and that once you're on the home page, that the Amiibo will no longer show up.
Credit to @Hobson- TV LOVE & FAV!!!!!!