Intermediate-Level Puzzle Game for Android

I am seeking an experienced game developer to create an engaging and challenging puzzle game for Android. This intermediate-level game should incorporate gameplay enhancements accessible through in-app purchases.

Ideal Skills and Experience:
- Proficient in Android development
- Proven experience in puzzle game creation
- Knowledge of in-app purchasing mechanisms

The final product should be ready to publish, with considerations of user experience and all technical aspects thoroughly tested.