USB Wireless Reader

i have a project of master and i thought about to do it.
i want to create a device where i plugged in USB (usb module) and make its (usb) Data wireless using wifi module, and want to access that data on Android App wifi enabled.
is there any mechanism help me to create that Structure i accomplish my task?
please help me:
daniyalyounis@gmail.com

As I see it, you need an Arduino that can act as USB master for the selected USB class.

Daniyalyounis:
i want to create a device where i plugged in USB (usb module) and make its (usb) Data wireless using wifi module,

I don't understand. Maybe you can post a diagram that makes it clearer.

Is there a role for an Arduino in this? If so what is it?

An ESP8266 module does WiFi but not USB.

...R