I Want to buy source code Quiz online app

1. DB : MySQL,php for use add question/answer to database for display on Android App.
2. App<anetonet online>: android connect to Web from MySQL
3. Login user check online.
4. Random Question/Answer.
5. Limit time for question/answer.
6 Total score

How much?

PM To me.Send detail you source code and capture or link demo.

manasak19@gmail.com
Thank you.
Mr.Manasak.