When you need some extra wallets for BTC, ETH or TRX you can simply add extra wallet by following the next steps :
1. Open the TronWallet app
2. Hit the + sign at the top right
3. Select the option "CREATE ACCOUNT"
4. Select the blockchain from were you want the extra wallets
5. Select how many accounts you want to have extra created
Note : when you want more then 1 account the app names the extra wallets automatic with numbers following up
6. Select the button "CREATE"
Help & Tutorials: https://medium.com/tronwallet-support