Full pause screen:
Pause game play then hold Y + X.
Zoom in tutorial:
While in the tutorial subscreen, press Y button
to zoom in on the picture.
Freeze camera:
To keep the camera still in the Chao Garden or
in an action stage where you can stand still, hold L + R.
Sonic Team announcement:
Allow the game to idle at the "Press Start" screen.
After several demos, the Sonic Team logo will appear
again and Tails will say "Sonic Team!".
Character comments:
Start any mission, and keep your character idle for
about twenty seconds. They will comment about the mission.
They will say something different when you continue to
wait until forty seconds.
Sites: