TV App Developer (Android, TizenOS, Fire TV, LG)

I am looking for a proficient app developer to create a TV application that will function on Android TV, TizenOS (Samsung), Fire TV (Amazon), and LG Smart TV. The ideal candidate for this job should be experienced in developing apps for multiple platforms.

Description
We're seeking a skilled freelancer to develop a TV app for Android (v5-13), TizenOS (Samsung 2012-2024, Tizen 1-8), Fire TV, and LG platforms.

Skills required:
- TV app development
- Android
- TizenOS
- Fire TV
- LG
- User interface design
- Performance optimization
- Problem-solving
- Strong communication skills

App Features:

Responsive UI for various screen sizes
Displays Live, Series, and Movie content (data from web service)
User favorites list (local & online storage)
Playback resume from last position
Mid-roll & Pre-roll Ad integration (Vast v1,2,3)
User analytics collection (play time, viewed pages, etc.)
Search functionality (English & Farsi keyboard)
Splash screen with version check and update prompt
Side menu navigation
Technical Requirements:

Strong experience in mobile app development for targeted platforms (Android, TizenOS, Fire TV, LG)
Experience with responsive UI design principles
Familiarity with video playback APIs and ad integration (Vast)
Ability to collect and send user analytics data securely
Experience with UI/UX best practices
Project Deliverables:

Fully functional TV app for all targeted platforms
Documented and commented source code
All UI design files

Please include your quote and estimated timeline in your response.

Additional Notes:

We have already designed the app's UI and implemented the web services.