Wallet on the mobile phone. 0 waves is displayed. This is a bug?
Most probably you received mass payment transactions.
With this feature, every user can distribute Waves or any other Waves based tokens directly to multiple (up to 100) Waves addresses with several most natural actions.
At the moment, mobile applications have limited functionality. Please use the online version of the wallet https://beta.wavesplatform.com
So, you can transfer your account into the online wallet by using seed phrase of your account.
Follow the instructions:
How to restore access to my account
Waves transfers and gateways
Assets and Tokens