Newsletter and Photo Upload App

I need a desktop and mobile application that allows users to create weekly newsletters and upload photos to a project folder.

Key Features:
- User Authentication: Email and password login
- Platforms: Windows and Android
- Newsletter Creation: Users can add text, images, and videos
- Admin Review: Admin can check and publish newsletters
- Photo Upload: Users can upload photos from their phones, searchable by location

Ideal Skills and Experience:
- Experience in app development for Windows and Android
- Strong UI/UX design skills
- Familiarity with secure authentication methods
- Backend development for admin review functionality