AI-Powered English Learning App

I'm looking to develop an AI-based English teaching application for beginners, specifically for the Android platform. The app should include:

Key Features:
- Vocabulary Practice: Engaging exercises to build a beginner's vocabulary.
- Grammar Exercises: Interactive and static content to understand basic grammar rules.
- Pronunciation Help: AI-driven tools to improve pronunciation.

Content Delivery:
- Both Interactive Lessons: To keep users engaged.
- Static Content: For reference and self-paced learning.

Ideal Skills & Experience:
- Experience in AI integration in mobile apps.
- Strong background in language learning app development.
- Proficiency in Android app development.
- UI/UX design skills for an engaging user experience.
- Knowledge of educational content creation, especially for language learning.