The first power apps and sharepoint

Create sharepoint list and columns at below:

Login to https://make.powerapps.com/

Click to Apps in left menu >> click New app >> Canvas

Choose SharePoint data

Click on new connection or choose available connection >> Input site url >> Go

Choose sharepoint list

Waiting connect data to sharepoint

This is default screens (create, view, list)

Click F5 to run app >> choose plus icon

Input data >> save

Data appear on gallery and sharepoint list

Edit data

Data was updated.