We are running into delays with the Apple store submission.
However, please republish the app on the current Web Studio (https://create.powerapps.com) and the issue will be fixed.
"For best result, run this app on make.powerapps.com or on a mobile device with the most recent version of PowerApps".
Installed powerapps from windows store but I have a same issue . You can see the image below.
Edition: Windows 10 Enterprise
OS Build 18362.476
Fill out a quick form to claim your user group badge now!
Find out where you can attend!
Features releasing from October 2019 through March 2020
Learn how to build the business apps that you need.