Imagine using your familiar non-custodial wallet without the constant need to top it up with native tokens to pay transaction fees. The need to hold native tokens for every crypto transaction can be a barrier for many users interacting with cryptocurrency or decentralized applications, creating unnecessary friction in the process. However, following a recent Ethereum update, Trust Wallet has implemented an effective solution to this limitation in the form of the FlexGas feature, which allows users to pay gas fees with tokens other than the native networks’ coins. Trust Wallet is a leading multichain non-custodial wallet with over 200 million users
source: https://beincrypto.com/trust-wallet-flexgas-overview/