We need application like QuizDuell ([url removed, login to view]).
- Login using specific domain name.
- Friend (Add/Accept/Block/Remove/Search Other Users/People)
- Profile User (Avatar[default avatar/upload], Gender, Birthday, country, phone, email, level, statistic of quiz)
- Include Ads for Lite/Free App and remove ads for Premium App.
- Ranking of Users (List of Friend and All Users)
- Platforms: including Native IOS and Native Android (Users), Native website for Administrator.