Engaging Animated App Promo Video

I'm seeking an experienced animator to create a compelling promotional video for my app, aimed at increasing downloads. The video should be animated and include a professional voiceover.

Key requirements:
- Engaging animation that captures the app's essence
- Professional voiceover to guide the narrative
- Focus on features and benefits that drive downloads

Ideal skills:
- Proficiency in animation software
- Strong storytelling and scriptwriting abilities
- Experience in creating app promo videos

Please share your portfolio and relevant experience.