Need flutter developer to build an app

Need a app to perform below task
1. Login
2. Registration
3.logout
4. Google sign in
5. Category list like c, html along with subcategories
6. Once user login show category and total of subcategory information
7. If user selected c language show category selection
8 then display course information like a ppt slide
9. Also if any code present in it the show it in formatted way
10. Ask any question
11. Show different types of ads when user views specified number of chapters.

Lets have working session to discuss design detail and work flow