Full-featured 2D Storytelling App Needed

I am in need of a full-featured 2D storytelling application that is not only compatible with YouTube, but also offers a range of features. The app should facilitate the creation of 2D stories with voiceover recording, animation effects, and text overlay.

Key Requirements:
- Compatible with YouTube
- Capable of voiceover recording
- Supports animation effects
- Offers text overlay feature
- Able to generate 10-20 minutes of content per story

Ideal Skills and Experience:
- Proficient in 2D animation and design
- Experience with voiceover recording software
- Strong understanding of video editing and storytelling
- Prior experience in developing similar applications
- Knowledge of YouTube's uploading and formatting requirements

Please provide examples of similar work you've completed, along with a breakdown of how you intend to meet the specified requirements.