Android Game Prototype Development

I'm looking for a skilled software developer with a gaming background to help create a new prototype app using an APK. The app is intended for Android and will incorporate multiplayer integration and leaderboards.

Key Requirements:
- Experience in game development, especially on Android.
- Proficiency in working with APKs and app prototyping.
- Strong skills in implementing multiplayer functionality and leaderboards.

Ideal Skills:
- Background in action, puzzle, or role-playing games.
- Familiarity with Android development tools and frameworks.
- Ability to deliver a functional and engaging prototype.

Please provide a portfolio showcasing similar projects.