Mobile Arcade Game Development

I'm looking for a mobile-only 2D arcade game to integrate into my website. The game should allow users to sign up via email, play online, and win coins. These coins can be used for recharges, bills, etc.

Requirements:
- User sign-up via email
- Online gameplay
- Coin rewards

Ideal Skills and Experience:
- Mobile game development expertise
- Experience with 2D arcade game graphics
- Familiarity with integrating games into websites

Please provide portfolios and relevant experience.