Educational App and Game Development

I need a quizz app and also a game designed for elementary school children (ages 6-12) that focus on Social Studies for Guyana. The learning activities should include quizzes and puzzles, interactive stories, and hands-on projects or simulations.

Key Requirements:
- Curriculum-aligned content
- Engaging and age-appropriate design
- User-friendly interface
- Interactive and educational learning activities

Ideal Skills and Experience:
- Experience in developing educational apps and games
- Strong understanding of elementary education
- Proficiency in interactive story creation and simulation design
- Strong design and UX skills

Please share your past work in educational tools.