Interactive Image Study Android App -- 2

I'm looking for an experienced Android developer to create an interactive image study app for both mobile and tablet devices. The app should provide a platform for users to engage with illustrative images.

Key Requirements:
- Replicate provided images to avoid copyright issues
- User authentication via email and password
- Interactive features:
- Zooming on images
- Clickable annotations on images
- Full offline access for studying images

Ideal Skills and Experience:
- Proficiency in Android app development
- Experience with image handling and interactive features
- Strong knowledge of user authentication systems
- Ability to implement offline functionality

Please ensure the app is user-friendly and visually appealing. Looking forward to your proposals!