This includes climbing up and down ladders, hiding in barrels, gathering locks to open up jars and cages, and plenty of other stuff. Tap on the screen where you want to go towards, and if you can interact with objects in the environment, a button pops up that you can tap. The controls are basically point-and-click, so it’s quite easy and intuitive.
For each level, you will be shown the objects that you must “free” or steal.