Android Mobile App

We are an independent company based in South Africa. We are looking for a mobile app idea initially which will appeal to global consumers. The ideal app should have global appeal, and must have demand as well as be commercially viable as we intend to sell the app to Silicon [login to view URL] ideal candidate will have mobile android programming skills and also a project management background. We have allocated a budget of 50 000 rupees to the successful project, however should the project be commercially successful, this will result in additional rewards for the successful team. So start posting your ideas! :)