I’m running PowerApps 2.0.460 on Windows 10. The same with you, the first time I loaded an App on PowerApps studio, it took a long time, the next time I loaded it, it opened fast. Currently, PowerApps is being improved, I think it will be faster over the next several releases.
You could also send a Feedback. In your App, the Feedback icon is shown as a smile face.
Best regards, Mabel Mao
Community Support Team _ Mabel Mao If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.