What is the Waiter notepad Fastoder application, how does it work?

According to the introduction of Leonid Shulga, Waiter notepad Fastoder is a Business app on the Android platform. There is currently a 1.1.25 version released on Mar 28, 2020, you can see the details below.

This is waitress notepad, the app for waiter help to take orders from your customers faster. Automate the work of the restaurant:
1) easy menu update
2) building order analytics
3) management of waiters

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.