"Ethereum L2 zkSync Era mainnet is online, which ecological projects are worthy of attention": In less than three days since the release of zkSync Era, more than 64,000 independent wallets and more than 12,000 ETH have been bridged from Ethereum to zkSync Era. This article will take stock of the dAPPs that have been launched on the zkSync Era mainnet to help everyone better understand the network ecology and achieve interaction.