Secure Customizable VPN App

I need a mobile app for both iOS and Android platforms that displays a webpage after establishing an OpenVPN connection.

Key Requirements:
- Editable VPN endpoint and website URL.
- Importable VPN config file.
- Customizable: logo upload, color scheme selection, editable text fields.
- Password protection for: website URL, logo and color settings, and editable text fields.

Ideal Skills and Experience:
- Mobile app development for iOS and Android.
- Experience with OpenVPN integration.
- Strong UI/UX design for customization features.
- Knowledge of secure password protection mechanisms.

Looking forward to your bids!