It seems that the app you are running has some features that don’t work on a browser.
After you installed PowerApps studio for Windows, please run the app on desktop studio, I guess that you won’t get the message on desktop studio.
Keep up to date with current events and community announcements in the Power Apps community.
A great place where you can stay up to date with community calls and interact with the speakers.
Check out the latest Community Blog from the community!