Not blank
Well, I admit, I originally thought this was going to be nothing but a blank screen, but it was not. At least you were able to get it passed, which does not make it particularly good. I guess it does give inspiration for other people who want to make flash like this. The animation is okay, I suppose, but needs way more action. I guess it would make an interesting flash series as you certainly have room for improvement. Next time, add in sound and more of a story.