If you want to try out adding your own content to an AAR landscape, check out the demo Roundware iOS app.
This app is intended to demonstrate the core Listen and Speak features of the Roundware platform. It includes an ambient soundtrack along with recordings located throughout the landscape that were made by other demo app participants using the Speak feature.
There is no specific project, artwork or educational experience associated with this app since it is designed to be a demo, but it does allow people to make their own recordings in their locale and experiment with how the platform works.
You can download the free iOS app from the App Store: Roundware iOS Demo