App Android programming pc

Welcome

I need a mobile app together to deliver the source codes
+ Program for the computer together to deliver the source codes

the explanation



I have three types of pieces
Light, heavy, open
I made 1 carton = 50 pieces
And I made a serial number on one carton = from 1 to 50
Each piece bears a serial number

Need an app on the phone:
1- A screen that enters the number of cartons and the type of pieces together with the serial numbers

2 Screen Enter the serial number together with the type of pieces

Computer software needed:
1 main linked vpn for the application inclusive together with the input from the computer