iOS,Objective-C and Android Test

I need a very experienced programmer on iOS and Android platform, and he/she needs to be very expert on iOS and Android Programming. I have a client who wants to sit for the skill tests on oDesk and Elance . And you have to give the following 6 test on behalf of him on oDesk and Elance. Test 1: iPhone Programming OS 4.0 Test(On both oDesk and Elance) Test 2: Objective C Test(On both oDesk and Elance) Test 2: Android Programming Test(On both oDesk and Elance) The duration of each test is 40 minutes. The total 6 tests will take only four hours. So it’s a very easy job and quick money for the right programmer. The payment will be provided on the result of each test. Payment is secure. Maximum hourly rate is $15 per hour. No need to place a bid if you expect more. .Or I can create each milestones of $15 before test and will release it after taking test. So the choice is yours. Let me know your choice on your cover latter. I will also give you a bonus if you score within top 20%. If you successfully complete this job then there will be more job for you and it will be a long-term relationship with me. I have tones of work to do. So i need a reliable person to work with. It's a test project that will also prove your skill. If you can complete it successfully then I will hire you for full-time.