As an experiment, I implemented the SeedSigner localization feature and pushed into my repository. The localization updates were made to the current release version (0.7.0) and I translated English text to Korean as first localization example. Other languages can also be added by appending .po file.
More details on https://github.com/gobitcafe/seedsigner-loc/blob/0.7.0-loc/docs/localization.md