So Canviz have delivered again, an exiting and great example app for how to use PowerApps.
It includes a lot of functionality, and gives you also a lot of ideas on how to make an app with approvals and statuses within the app, it uses SharePoint as the datasource, and also showcase how to use PowerBI for dashboard functionalities and uses flow for the approvals.
The setup time should take around 30 minutes. To get started just go here:
Check out more good examples from Canviz: