TwiPodcast is a web app which allows you to listen podcast or any mp3 media file on your phone for free without internet.
The webapp is live at http://sandipbgt.github.io/twipodcast
The api is live at https://twipodcast.herokuapp.com
If you have got 1 minute time, then say hi to me at my email: sandipbgt@gmail.com. I would be happy to have friendship with you.
If you have got 5 minute time, then you can give feedback or suggestions at sandipbgt@gmail.com or you can also use the feedback page at http://sandipbgt.github.io/twipodcast
The documentation is available at http://sandipbgt.github.io/twipodcast/docs
Feel free to submit a pull request or an issue!