its an app for managing a server via SSH, it requires a linux server either Ubuntu or Arch linux with SSH and sudo installed/enabled.
Write in your server info in the app and make sure your on a network. after you have filled in your server info you get back to the main view.
Now your server is ready to be used. click on your server label and it will open a new view, here it will show you already hardcoded commands.
Click on any of the hardcoded commands and in the buttom field it will show you the results.
There is also a textfield so you can write your own commands in terms of "echo password | sudo -S command"