Preschool Problem-Solving App Wireframes

I'm looking for a talented designer to help create wireframes or mockups for a mobile app aimed at preschoolers (3-5 years) that focuses on basic problem-solving games.

Requirements:
- Design engaging and intuitive wireframes or mockups suitable for preschool age
- Understand the elements of designing for a problem-solving game
- Deliver designs compatible for both iOS and Android platforms
- Experience in creating designs for kids' apps is a plus

Your designs will play a key role in making learning fun and engaging for little ones. Please provide your portfolio and examples of similar projects you've worked on.