Reverse vending machine software on Android with calibrations

we have a vending machine which has 21 inch touch screen , micro controller, cpu, sensors which are calibrated with the controller and works on command received on the touch screen. now we want to make this whole design on Android. we prefer for this project someone with manufacturing unit too and someone who has done this work earlier. the sensors detects plastic bottle, glass and metal cans and instantly credits sole amount in the app. FOR THIS WORK, WE PREFER SOMEONE WITH A COMPANY IN INDIA - DELHI