If you are a fan of Model, View, and Control model then the Control Manager will handle part of the "Control" aspect for you.
This entity makes it easy to create screen shakes used for example when something explodes or an earthquake is shaking the world.
Installation and use:
As animation of the forest monster that I used for my game Draggo Fury.
This is a simple, 2D particle emitter that creates a nice effect for chimneys, smokestacks or other vertical smoke.
Entity base class which can be integrated with very few lines of code. This can be used for most types of platforms.