Comprehensive Android App Overhaul

I need an experienced Android developer to update my existing app. The project involves three main components:

UI Design Improvements:
- New color scheme
- Layout redesign
- Updating icons and images

New Features Implementation: I am open to suggestions on this.

Performance Optimization:
- Enhance speed and responsiveness
- Fix bugs and glitches

Ideal Skills & Experience:
- Proficiency in Android development
- Strong UI/UX design skills
- Experience with performance optimization
- Ability to implement new features based on industry best practices

Please share your portfolios and relevant experience.