Develop Flash Drive With OTG Connectivity Technology

Develop a flash drive like device using OTG connectivity Technology

We require ;
1. Develop a USB flash drive type product with IOS Lightening 8 PIN and USB Type C connectors for direct connection to mobile phone.
Or

2. Develop usb flash drive type product with USB 3.0 or micro connectors that connects to an existing IOS Lightening and USB Type C adapter.

Function:
We require that our flash drive device communicate with an App.

We Do Not require any App developing
This project is not about developing an App