Android Puzzle App Development

I need an experienced Android Developer to create an engaging, single-player puzzle application.

Key Features Required:
- Create a single player mode.
- The app should be able to run smoothly and efficiently on Android devices.

Ideal Skills:
- Android development expertise
- Experience in developing puzzle-type games
- Proficiency in effective UI/UX for game apps
- Aptitude for problem-solving and innovative thinking.

I am prioritizing developers who can deliver a polished end product that's user-friendly and enjoyable. I'm looking for someone who can provide a seamless gaming experience for the app's users. If you have a portfolio of previous work, especially in puzzle game development, I'd love to see it.