I need an Android app. I would like it designed and built. I need one Android app which will give users money for watching videos, playing games, download free apps, paid apps, completing survey, inviting friends on this app. Payment through PayPal, payza, Bitcoin, bank transfer if possible. I need it will verify each task done properly without failure. It will add credit in account immediately after completing task. Payment should get automatically but I can select some customers manual payment. I will provide you detailed requirements about apps. It will be long term business as need to update apps regularly.