School Education Application

I want to build an app thats operative on android, iOS, tablet, desktop and TV availability across the globe for online school education. Below are some basics more details to be discussed

2. Recorded video sessions (RMVC)
1. Seamless upload of video files with high-resolution video course material for students
2. Practice functionality.
3. Registration of the student, teacher, guests, admin, and technical team with id password protection
1. Login
1. Using Social media account
2. Mobile
2. Using Personal email id
3. SignUp
1. Using Social media account
2. Using Personal email id and password
3. Email verification for personal email id
1. Code send on email
4. Forgot Password
1. Forgot verification mail with code
2. Login with code
5. Reset Password
1. Reset verification mail or mobile msg with code
2. Login with code
6. Profile
1. User image and option to replace 
2. User name and option to edit
3. User email and option to change
4. User change password
5. User type (ex: Student, Teacher, Guests, Admin, Technical Team)
7. Logout
4. Payment gateway
1. Subscription
1. Using UPI, Bank, Credit/Debit Card
2. Promo Code
3. PayPal and other commonly used channels in India & abroad
5. Chatting
1. Text
2. Image Sharing
3. Audio Sharing
4. Document Sharing
5. Video sharing
6. FAQ
7. Search Functionality, SEO