Push those buttons on the keyboard while playing to get the desired effects.
Some work only when actually walking around Dragonvale, some even in the
[Q] - Instantly quits the game.
[L] - Loads the most recent saved game.
[M] - Press to stop Lydia from moving. Zak will still try to move where you
click, but will usually return to Lydia. Press again to regain movement.
[S] - Saves the game.
[T] - Some debug informations will appear on the screen. Press again to make
[/] - Warps to a debug room with warps to all rooms in the game (works even
in the title screen). Entering some warps might crash the game.