Kotlin Keyboard App Customization

I am looking for an experienced Kotlin developer who can help me modify an existing open-source Android keyboard app. The customization will involve:

- Changing the layout and design of the keyboard
- Modifying existing functionalities
- Updating content
- Renaming the app and some of its functions
- Create key for quick switching between favorite layouts

This keyboard will use Unicode characters and be arranged in a new layout.

Ideal skills and experience for this job include:
- Proficiency in Kotlin
- Previous experience with Android app development
- Familiarity with customizing open-source software
- Creative design skills
- Understanding of Unicode and its application in keyboard layouts.
- Willingness to be paid hourly as the project progresses.

Your ability to deliver a well-customized, functional, and aesthetically pleasing keyboard app will be key to the success of this project.