Hide token without balance:
1. In Aloha Wallet tap Settings icon in the upper right corner
2. Enable 'Hide tokens without balance' toggle to hide your tokens.
How to hide specific token:
1. In Aloha Wallet go to Tokens section
2. Select any token
3. Tap three-dot icon in the upper right corner
4. In the pop up menu tap Hide
Please note that only non-native tokens can be hidden manually.