Apple is a good example. The UI is mostly simple enough that no extra guidance is needed. But when signing up, they do show a few slides about how to use gestur

Apple is a good example. The UI is mostly simple enough that no extra guidance is needed. But when signing up, they do show a few slides about how to use gestures and include a “tips” app if you want to know more. Most of these tips being stuff most people just work out themselves. No walk thrus with arrow pointers and text boxes.