Yeah we've been trying to make it as easy as possible to get started with Lightning payments. There are about 300 merchants using the app worldwide, including about 30 in Vancouver. 
 nostr:npub168dqt5c8ue3uj8ynlk0lhwalnp7uy39lvzf9tm09wy3htxwmw7qq5nerj4 in Brazil has onboarded hundreds of them!

About a dozen are using the receipt printers for notification in Vancouver. I'm hoping to get more printers distributed out since I think it provides the best experience for both users and customers.