PowerApps is a business suite that builds app rapidly within organisation. Here is the link that helps you understand what this platform is about and how we can use it. How it is diffrent for various department like App Makers/Creators, App Users, App Developers and Admins. Click this link –
https://docs.microsoft.com/en-us/powerapps/powerapps-overview
Learn PowerApps from Basics that require no coding knowledge
By Dipak Shaw
May 2, 2019