+PACKAGE_CREEPERCHEST, MAINACTIVITY_CREEPERCHEST fields; +startCreeperChest()
+attackCreeper(); +multiple final fields
+startCreeperChest(), attackCreeper() in onCreate()
+openChest(); +muliple final fields
+toastError()
+toastError() calls where something goes wrong
+openChest() call in onCreate()
+delayed invocation of attackCreeper() and of openChest() with Handler
startCreeperChest() calling is delayed now; Activity finished on chest opened
some unused stuff removed