Transfer token from Android on private chain

EIP 20 token standard

The main network id is 1.

How to select a network id or is there a list of network ids?

requirement

• macOS 10.12.6

• Geth and tools - Version: 1.7.3-stable

• Geth 1.7.3 for Android

• Android Studio 3.0.0

• NPM 4.1.2

• Truffle 4.0.3

• Zeppelin- Solidity 1.4.0

• Solidity 0.4.18