Here’s an explanation of what’s under the Play menu…
• Basic — Play the game using only the basic rules.
• Enhanced — Play the game enhanced with additional settings.
• Auto–Play — Watch the computer play the basic game one hand at a time.
• Rapid Auto–Play — Watch the computer play the basic game without stopping.

The dealer’s moves are always determined by the settings in the Basic Rules.  During Auto-Play, the player’s moves are determined by the settings in the Basic Strategy Table.