Created the main game loop and started writing the game's states.

main.py

@@ -0,0 +1,45 @@
+# Miguel Angel Astor Romero. Created on 7-1-2012. #
+###################################################
+import pygame
+
+try:
+   import android
+except ImportError:
+   android = None
+
+from game import Game
+
+def main():
+   """ Initializes PyGame and pgs4a and starts the game loop. """
+   # Variables.
+   screen = None
+
+   # Init PyGame.
+   pygame.init()
+   
+   if android:
+      # Init pgs4a and map Android's back button to PyGame's escape key.
+      android.init()
+      android.map_key(android.KEYCODE_BACK, pygame.K_ESCAPE)
+      # Get the device's screen size and request a surface of that size.
+      screen_size = (pygame.display.Info().current_w,
+                     pygame.display.Info().current_h)
+      screen = pygame.display.set_mode(screen_size)
+   else:
+      # If not on Android, default to a 800x600 pixels screen.
+      screen  = pygame.display.set_mode((800, 600))
+      pygame.display.set_caption("Super HUGS Revolution 98")
+
+   # Create the main game object.
+   game = Game(screen)
+   
+   # Start the game.
+   print game.get_state()
+   game.game_loop()
+
+   # Cleanly terminate PyGame.
+   pygame.quit()
+   
+# Required by pgs4a.
+if __name__ =="__main__":
+    main()