Mobile Gaming App Update & Enhancement

I need a freelancer to update and maintain a mobile gaming application which is built for both iOS and Android in Flutter and Dart. The task involves adding new features, integrating a variety of new betting games, and implementing a range of competitive and interactive elements.

Key Tasks:
- Introduce new betting games to the app
- Incorporate Leaderboard integration to foster competition
- Implement In-app purchases for monetization
- Add Multiplayer support for interactive gameplay

Ideal Skills:
- Proven experience in mobile game development for both iOS and Android
- Efficient in Flutter, dart and java
- Expertise in designing and integrating betting games
- Proficiency in implementing interactive features such as Leaderboards and Multiplayer support
- Experience with In-app purchases integration
- Strong understanding of game monetization strategies