App.js file not being created inside project foldeer using Expo

I’m a newbie to React Native and am using this tutorial to learn it. I used Expo to set up my project folder to develop an Android application. The tutorial, at 19:39, instructs you to edit the App.js file. No such file exists in the project folder I set up.

I found this, which notes that apparently App.js has been “replaced with _layout.tsx, but also index.tsx to some degree”.

Where am I supposed to edit the code which is equivalent to writing it in App.js as in the tutorial, though? The following is a screenshot of my project folder:

Screenshot of project root in VSCode