Professional Live-Action App Video

I need a professional live-action video to explain my app. The video should educate users, promote app features, and provide a how-to guide.

Requirements:
- High-quality live-action footage
- Clear and engaging script
- Professional editing
- Voiceover may be required

Ideal Skills and Experience:
- Experience in producing live-action explanatory videos
- Strong storytelling and scriptwriting abilities
- Proficiency in video editing software
- Ability to convey complex information simply

Please provide samples of similar work done