Andor's Trail is developed as open-source, roughly meaning that anyone can add new content or code to the game. If you want to help in making Andor's Trail even better, you are encouraged to help with
Prerequisites
You should of course have played the game a bit, to get a feel for the types of quests that are in the game right now.
You should have a basic understanding of ATCS or your preferred method of content creation.
You should have a basic understanding of Tiled, the map editor.