This is what's missing from the app store (not sure if there are similar products out there). Screen shots can only show you so much about an apps interface pr

This is what's missing from the app store (not sure if there are similar products out there). Screen shots can only show you so much about an apps interface prior to purchase. Demo's like this are how you get me to buy a $5 app when I'd probably balk at the $1 version with no demo.