We have a very big, strong and experienced team of android apps and also have many apps in google playstore with payment integration modules,videos and adds section.
So in a word, I can say that we already have experience of making such apps which are bug free, robust and more than your expectation.
Also, we have an experience team of PHP developers who can help with webservices for this app, so all can be bundled together.
We can also provide you with scope and wireframe for each screens for your app which will be prepared by our BA team and then we will also assist you for uploading it on Play store and maintenanceof its different versions and various bids generated.