F-Droid is an installable catalog of free and open source software right on your device. After it's downloaded, install it and open it up.
If you're looking at this on your phone and you just installed F-Droid, all you need to do is click on the QR code above, and F-Droid will walk you through the next steps. You can also simply copy the url listed above, or if you're reading this on a seperate screen, scan the QR code.
Once our repo is added, you'll be able to download and install StoryMaker as well as Orbot. This combination will help you get started producing stories and publishing them safely.