This is how I wish app switching worked on an iPad with a Bluetooth keyboard, as I wrote here:

Command + Tab, with optional arrow keys. Just like Mac OS X.

Tap this combo rapidly enough and you don't even see the app switcher, you just jump to the next app.

If you'd like to see this implemented, please go here and request it:

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…