Custom Card Game Development

I'm seeking an experienced game developer to create a custom single-player card game. The game should be available on mobile (iOS/Android), desktop (Windows/Mac), and web platforms.

Key Requirements:
- Develop a unique, engaging card game from scratch.
- Ensure compatibility across all specified platforms.
- Focus on single-player mode, with no multiplayer capabilities.

Ideal Skills and Experience:
- Proven experience in developing card games.
- Strong understanding of game mechanics and player engagement.
- Proficiency in multi-platform game development.
- Ability to deliver high-quality graphics and intuitive user interfaces.

Please share your portfolio and relevant experience.