3D Motion Graphics for App Promotion

I'm looking for a skilled motion graphics designer to create a compelling 3D animated video showcasing the features of my app. The video will be aimed at the general public and should effectively convey the benefits and unique aspects of the app in an engaging way.

Key Requirements:
- Proficiency in 3D animation
- Experience in creating promotional app videos
- Ability to simplify complex app features for general audience
- Strong understanding of motion graphics and visual storytelling

Please include examples of your previous work, preferably with similar projects.