Cross-Platform Multiplayer Ludo App

I need a Ludo gaming app developed for both iOS and Android platforms. The app should support multiplayer online gameplay.

Key requirements:
- Cross-platform functionality (iOS and Android)
- Engaging multiplayer online mode
- Optional: social features like in-game chat, friends list, or leaderboards

Ideal skills and experience:
- Expertise in mobile game development
- Experience with multiplayer game mechanics
- Familiarity with social integration in gaming apps

Please provide a portfolio of similar projects.