This is not a VPN proxy app, actually it is a powerful network content blocking tool for you.

Features:
1) API Simulation/Content Blocking
2) Local DNS resolver
3) Super Port Mapping

1. Steps for API Simulation

* Start VPN Service, Install Certificate by the instruction, then you will see "Tap To Stop" button.
* Click "Tasks" Tab, then click "Add" on the left top, select "Content Blocking" template.
* enable it by the toggle button, then click Sync button on the right top.
* switch to Safari app, visit "https://empty.empty/", you will see text "hello world!". Amazing!

So with this feature, you can easily create mock api for your apps.

2. Steps for local dns resolver, Please complete the steps above first.

* Start VPN Service.
* Click "Tasks" Tab, then click "Add" on the left top, select "DNS Resolve" template.
* click the "empty.empty" under "DNS Hook", then you can change host/ip here.
* click save and "Sync" the task, you will see the dns you changed works.

So with this feature, you can easily switch between different environments.

3. Steps for Super Port Mapping, Please complete the Feature 1 first.
* Start VPN Service.
* Click "Tasks" Tab, then click "Add" on the left top, select "Port Mapping" template.
* enable it by the toggle button, then click Sync button on the right top.
* switch to Safari app, visit "https://empty.empty/", you will see content from "www.example.com" website.