Hi,
We have reviewed your all requirement and we are comfortable to create an Android app similar to Audible.
In your app we will provide you a functionality that allow the users to pay for an inscription using , paypal, alipay, CC/ /Visa etc.
we will provide you an app that will run on 4.1 X, 4.2 X, 4.3 (Jelly Bean) API, 16,17,18 and 4.4 KitKat, API 19
In your android app we will use JAVA programming language.
We have 4+ years Experience in android so we can handle all type of coding and visual design requirement.
We have good knowledge about Torque bittorrent or bottorrent protocal with video.
We have already work done on similar type project related to video streaming in android so we can do it.
We are waiting for your positive response.
Regards
Balveer