Multi-language Content Streaming App Development

I'm looking for an experienced mobile app developer to create a content streaming application for both iOS and Android platforms. The app will focus on delivering content in regional languages.

Key requirements:
- Development for both iOS and Android platforms
- Content streaming in regional languages
- User accounts and profiles

Ideal Skills & Experience:
- Proven experience in developing mobile applications, especially content streaming apps
- Strong expertise in both iOS and Android development
- Knowledge of user account management systems
- Familiarity with regional language processing and content delivery

I am looking for a developer who can ensure a smooth, user-friendly experience. Please share your portfolio and relevant experience.