<li>Notification name that notifies entry to game play state.</li></ul></li><li class="sortli listnum13"><a href="#EXIT_PLAY">EXIT_PLAY</a><span class="typeInfo">  : String</span><ul class="summary"><li>Notification name that notifies exit from game play state.</li></ul></li><li class="sortli listnum14"><a href="#PLAY_EXIT_DONE">PLAY_EXIT_DONE</a><span class="typeInfo">  : String</span><ul class="summary"><li>Notification name that notifies completion of play screen exit animation.</li></ul></li><li class="