You need to be a native Japanese speaker to bid.
I'm in the final stages of releasing a personality quiz application on Mixi.jp. The app has a very easy-to-use tool for creating quizzes, and I expect people to create them even just for fun, but to get things rolling I am willing to pay to get a few of the first quizzes created. If you're not sure what personality quizzes are, here's an example: [login to view URL]
If you have your own areas of interest (say football, cars, anime whatever) then you could make quizzes about that. If you have no specific interests, research a bit about what kind of quizzes have been popular on other sites, and using this information create a few similar quizzes for my app. Note, straight copying will be unacceptable, so this is creative work. For the sake of bidding, assume that you will have to create 10 quizzes, with no less than 3 outcomes and 8 questions each.
Also for each outcome, you will need to find a suitable public domain image to illustrate it. For example, if the outcome is "tree", you would need to go to a public domain images site and upload a picture of a tree from there. This can easily be done from the app. You can find public domain images from
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Your bid must be in Japanese (roma-ji OK, not sure if Japanese characters work on rentacoder), otherwise it will be ignored. This is to weed out any automatic copy & paste replies that I often seem to get on rentacoder.