Mobile App Video Demo Creation

I'm looking for a skilled freelancer to create a video demo for my mobile app, designed for both iOS and Android platforms.

The video should showcase:
- User Interface and Design: Highlight the app's aesthetic and navigation.
- Core Functionalities: Demonstrate the main features and how they work.

Ideal skills and experience:
- Experience in creating high-quality app demo videos
- Proficiency in video editing software
- Strong understanding of mobile app UI/UX

Please include samples of previous work in your bids.