If the hardware is really slow I usually submit in between runs so I don't die waiting for the slideshow to end
An app would indeed be great, but I don't think I will ever use it to upload a score, more like browsing and comparing scores.
If a non-Pro that is supposed to enjoy watching this Cup can't express his feelings toward it then you totally missed the point of this change.
You can bet the F1 driver of the Mercedes can't really compete with the RBR on a level field but isn't that what makes sports nice to watch?