I’ve cued the video to 1:55, which is when the iPadOS/iOS Files app action begins.
A quick walkthrough at iPadOS on iPad Pro (iOS13) – external drive is accessible with Files.app!
And that has killed Android d-e-d for me.
Here’s the first iPad Mini 5 iOS/iPadOS video, demonstrating mouse support:
iPad Mouse Support on New iPadOS! Does it Work for Gaming?
Video: iOS 13
Apple AR: Motion Capture With A Phone. A Phone!
Reference: Surface Hackintosh
WWDC 2019 Head Explosions Continue
Apple WWDC 2019