Android app

I am looking for an Android app developer who can create a productivity app with the following key features: It will be developed for a specific website. and it will be in-app purchase In terms of monetization, I would like the app to have in-app purchases. This means that users can download and use the app for free, but there will be additional features or content that can be unlocked through purchases within the app. Ideal skills and experience for this job include: - Proficiency in Android app development, including experience with Java or Kotlin. - Knowledge of calendar integration and task management APIs. - Experience with file sharing and cloud storage integration. - Familiarity with in-app purchase implementation and monetization strategies. If you have the skills and experience necessary to create a high-quality productivity app with these features, please reach out to me. Thank you!