GoChain is supported natively in Trust Wallet so it's really easy to get going.
GoChain is natively supported in Trust Wallet so you just have to add it to your token list:
Click this button at the top right of the home screen:
Toggle GoChain on:
That's it, now you can fully us GoChain!
Click the four squares icon at the bottom to open the Trust Wallet DApp browser.
Then navigate to https://goswap.exchange
Click the Ethereum Icon at the top right, then select GoChain.
Trust Wallet will automatically show your GoChain token balances, so no extra steps are required.