This seams like a nice version of seamless.com, no? Seamless could doubtless be made better, but I'm curious as to why a merchant would go with these guys rather than Seamless (which has tons of users already.) As a frequent Seamless user, I'm also not sure why I'd give another app a shot—why would I switch (and I'm to switching, too)? Regardless, it looks nice and quick. Best of luck!