Malaysian Online Casino App Development

I'm looking for an experienced mobile app developer to create a Malaysian online casino app for both iOS and Android platforms. The app should primarily feature slot games and have robust payment processing capabilities.

Key Requirements:
- Slot games as the core gaming feature
- Comprehensive payment processing system
- Full user account management, including registration and login

Ideal Skills and Experience:
- Proven experience in developing mobile casino apps
- Strong knowledge of payment integration and security
- Familiarity with user account management systems
- Expertise in both iOS and Android development

Please provide relevant portfolio pieces and estimated timelines.