The app is a jokes app.
The app lists all jokes
The user can filter jokes by category
The user can post his own jokes to a given server (via HTTP post) after filling a form
The user can copy the joke to clipboard
The user can share the joke on Whatsapp or Telegram.
All jokes are saved locally
When the app opens, it reads new jokes from a given HTTP server (HTTP GET). If the server responds, update local jokes with the ones from server.