Curious as to how others do it...we use an app called Belly here in Korea, (Osan Airbase). It gets you free food and drinks when you visit establishments frequently. When I open the app on watch its shows a QR code that we scan at the counter on a iPad mini, however when I flick my wrist over to scan the code on watch, the screen turns off, then I must hit it again while wrist/watch is upside down to wake it up...this is awkward and takes away from coolness/convenience of the watch and the cashier. Is there a better way??