Unity AR Educational App Development

I'm looking for an experienced Unity developer to create an augmented reality (AR) app for Android. The app will be used for education and training, featuring interactive lessons.

Key Requirements:
- Integration of AR features (marker-based, markerless, or location-based)
- Voic chat integration.
- Development of engaging interactive lessons
- Android compatibility and performance optimization

Ideal Skills:
- Proficiency in Unity and AR development
- Experience with Android app development
- Strong background in educational content creation
- Ability to create user-friendly and engaging interfaces

Please share your portfolio and relevant experience.