Community Center Helper is a mod that makes the Community Center more useful. When you're in the game, you can find many things that are not listed on the menu. When you mouse over them, it will show you what it is and what you need to do to get it.

The suggestion list is based on your current progress in the game. So if you're at a level, the suggestion will be relevant to you. It also suggests things based on the type of item. So if you need a recipe, it will suggest the ingredients. If you need a building, it will suggest the area.