Notes:

Modules:

The following modules were used for the server (whose files haven't been uploaded):

1. express
2. body-parser
3. child_process

What's implemented:

1. Commands can be sent to the server for execution.
2. Response recieved from the server is displayed in the app.
3. Biometric auth and PIN has been added (PIN=1234).
4. Server can be connected to the Android client using the IPv4 and port number.

What's not implemented:

1. Implementation using async, await or Promise instead of callbacks.