To start a game press the Home button and choose from the following game modes: Expedition, Classic, or Daily.
In Expedition Mode:
Tap to select the game number you would like to play.
In Classic Mode:
New Deal - Deals you a new game of Pyramid Solitaire
Continue - Brings up the current deal
Replay - Replays your current deal from the start
In Daily Mode:
Select the Day's challenge you would like to try then tap on the Play icon.