Cross-Platform Photobook Album Preview App

I'm looking for an experienced app developer to create a photobook album preview app for both iOS and Android. The app should be integrated with banner and video ads, and have sharing options.

Key Requirements:
- Develop a cross-platform app (iOS and Android)
- Integrate banner and video ads into the app
- Implement sharing options within the app
- Ensure the app is user-friendly and engaging

Ideal Skills:
- Proficient in iOS and Android app development
- Experience with ad integration in apps
- Ability to implement sharing functionalities
- Strong focus on UX/UI design principles