Interactive Educational Music App Development

I'm seeking a talented developer to create an interactive educational music app for both iOS and Android platforms. The app will allow players of all ages to choose from a variety of wind instruments, play notes displayed on the screen, and advance to the next note.

Key Features:
- Multi-platform availability (iOS and Android)
- Selection of wind instruments
- Interactive note display for learning
- Progression system to advance through notes

Ideal Skills and Experience:
- Experience in mobile app development for both iOS and Android
- Knowledge of music theory and instrument play
- UI/UX design skills for an engaging user experience
- Strong programming skills, preferably in Swift and Kotlin
- Ability to integrate interactive elements and progression systems

Please include examples of similar work in your bids.