Bip39 Standard. Even though there are BIP39 wordlists in languages besides English, it really is strongly not proposed to implement non-English words for wallet backups. It'd make restoring the wallet challenging or not possible. What constitutes a "good wallet" is one that has very clear, simple to access documentation on https://socialmediaentry.com/story4248863/bip39-wallet-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic