http://t.me/booking_dev_bot/app
(source: https://github.com/terdenan/appointment_mini_app_example/commit/8ad1b7ecd4800e40896665d49c35147f8766fa6c)

Mini App for booking appointments with specialists. It can be a part of any business where customers book an appointment with a master, for example, a barbershop.

Some UI features that we added:
1. Animated Routing
2. Themization
3. Interface States

More features you can explore in documentation:
https://github.com/terdenan/appointment_mini_app_example/tree/master/docs