That's more or less how it works in China, not only at McDonald's but at almost every restaurant. It's usually not an app but a WeChat mini-program which essent

That's more or less how it works in China, not only at McDonald's but at almost every restaurant. It's usually not an app but a WeChat mini-program which essentially loads like a website. You can also pay through WeChat so you don't have to type out credit card information or create some user account. I personally really like the user experience.