General Public Productivity Android App

I'm looking for a skilled Android developer to create a productivity app targeting the general public. The app should be user-friendly and include:

- User Profile Customization: Allow users to personalize their profiles to enhance their experience and engagement with the app.
- Messaging System: Incorporate a seamless messaging system for users to interact and collaborate.

The ideal freelancer for this project should have extensive experience in Android app development, particularly in creating productivity and social networking features. They should also have a good understanding of user interface design and user experience principles to ensure the app is accessible and enjoyable for all users.