application connect through vpn sstp

Job ID: 34370570

Budget: $50 – $300 USD

Hello
A professional developer is required to make an application, the client is connected via vpn sstp protocol to our server.
s
Application running on sstp_vpn protocol When you enter the client username and password the application sends an API to our system If the data is verified, our system sends to the application a different user and a different password that is allowed to connect if not allowed, an error message will be sent to this effect
error screen
Comprehensive application source file
Compatible with all versions
There is a similar app on the Google Play Store
Link here https://play.google.com/store/apps/details?id=com.itnotepad.vpnapp&hl=ar&gl=US
Login data
the address: 80.240.27.12
User: vpn
Password: 12345
Previous work is required in this type of application