i am little confused why you specify to use USB OTG cable, you can not use that cable to connect the android to your PC, so that it can not tell who us the host. I am thinking about you just want to change the settings via PC, right ?
I am the individual professional developer in Android platform, and have more than 5 years experience on this platform. I did many projects such as Barcode Scanner,certificate management, GPS tracker, Customized Lock Screen, Social App(integrated email/facebook/twitter) and fancy ToolBar etc.
And the delivery time and price are negotiable.