Once you launch any of the Clideo apps, you open the My projects screen with all the projects you created in this app.
Additionally, to view all your projects, you can tap the four squares icon at the top right after the project download.
If you have issues finding the downloaded file on your device, read this article.
If you create a project in any of the Clideo apps, it is only available in this app. You cannot access your projects on the Clideo website.