The Blocks used are Here :

Best Android Book :

In this tutorial I’ll finish up the app I made in the last part. I’ll continue to cover event handling, sliders, and notifier. I’ll also cover how to open other App Inventor apps, browsers, email, Google Maps, YouTube and more.

All the blocks I drew in the video follow below the video to help. Next time I will create an app that will show how to display audio, video, images and more locally and across the internet.