Translations are always welcome, though they also make it harder to change texts later on, as they have to be changed in all those added languages :)
The Ethereum wallet consists currently of two repos, the Mist browser repo and the ethereum wallet. You need to translate both, but for now i would like to see only the wallet being translated, as Mist lang files will likely change a lot over time.
You would need to translate these two files (
app.lang.i18n.json) and save them with your language lang code in:
Then create a PR to this repositories, so we can check the differences.
Additionally you would need to add you language to this file:
If you want to test you language, start Mist in development mode (see here: https://github.com/ethereum/mist)
And open the browser console (CMD/CTRL + ALT + i) and type