- Login, Register, Changing password (with firebase auth services)
- Customize profile, Add profile photo, change username, Send password reset mail ,change password in local, change language between English and Russian.
- Search question by index, saving questions and creating custom categories with saved questions., full size image overviews.
- Showing wrong and right answers by changing button colors, Explanation and answer screen to look when you are in testing page.
- Exam with 15 minute cutdown timer, and when complete exam, it's otomaticly will save incorrect password as list. and it would be diplayed in down profile as Exam History.
- Dark theme support