Powerapps refresh form after patch

1. How do I automatically refresh a SharePoint list?
2. What is difference between Patch and submit form in PowerApps?

How do I automatically refresh a SharePoint list?

Click Edit file. Click the Web part. On the Options tab, click to select the Asynchronous Update check box. Click the Refresh Interval drop-down list, select an interval, and then save the settings.

What is difference between Patch and submit form in PowerApps?

With an Edit Form we use the SubmitForm function to save form data back to a SharePoint list. When building a Power Apps Patch Form our own form we must use the Patch function instead to submit data. The Patch function creates a new record or modifies an existing record in a datasource.