Simple iOS Game Development

I'm seeking an experienced mobile game developer to customize an existing game template. The game should feature a cartoonish art style and be available on iOS.

Key Requirements:
- Simple tap gameplay, similar to "Flappy Bird"
- Level-based progression mechanics
- Cartoonish art style

Ideal Skills and Experience:
- Proficiency in mobile game development, especially on iOS
- Experience in customizing pre-existing game templates
- Strong artistic skills for cartoonish designs
- Knowledge of level-based game mechanics

Requirements:
- Edit game template, like adjusting player game speed.
- Merge game to figma landing page.

Please share your portfolio and relevant experience.