Need Android exam app: need app for exam-quiz like

[Please READ requirements in detail first and then only put your best Bid and time. Don’t put placeholder amount and time. Won’t entertain such bids. No time wasters..] All requirements are here budget max 400-600 AUD. Priority to an expert who can complete it quickly and strictly on time. I need an android app for language exam preparation similar to quiz app. It will have preparation materials, practice questions (in sets), mock tests interactive objects- match the following type. Question and answer type: Text-picture-audio Multiple choice questions (different types of questions), different level system Time and free practice and mock test Total scores, performance analytics, high scores table(if internet). Word meaning Need php+mysql web backend. Api based. Code to unlock exams after payment—online and manual payment Clean code + very attractive design(we don't have design) Should work with or without internet. Please include your android work portfolio with proposal [Budget 350-550 AUD —depending upon expertise, delivery date-best bidder chosen] Before you apply 1) Very IMPORTANT: Please read the description and make sure either you can do it in that BUDGET or not. If you think you cannot do it, please don’t bid. All the requirements have been posted. 2) Need who can complete the project on time and with quality. We take deadline seriously. Will work making smaller deadlines & milestones. Better if you have done similar app before (but not compulsory). 3) If you have any questions or need clarification, please ask before you apply. However, I may only respond to one who is interested in (I feel they can do it).