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An multiple choice examination apps for iphone/ipad
There are two sessions. One is practice session. Another is examination session
In practice session, user can select multiple choice answer and then the app will show the correct answer and also the explanation
In examination session, user need to answer a set of multiple choices questions within certain time limit. Answer will only be shown to user after times up or user click the finish button. Marks will be shown immediately, user can view the wrong answer explanation also.
The app must also support listening examination. The app will play a voice message and user need to select one options.
All questions/answers/voice message must be stored in database or info file, no hardcode is allowed
Source-code is required.
Please provide past similar project as a reference.
Please response promptly as I will only select vendor with quick response.