Hey @Joan Vidal - thank you for pointing this out.
I've forwarded this message to the Android app team, and they've created a bug for this, to be addressed in a future update.
If the language you've got configured isn't supported, the Trello app will currently fall back to this "pseudo locale", instead of English (as you'd expect).
Currently, it seems like the only workaround is to switch Android to a supported language (sorry!).
Congratulations to @Laura Holton , our latest winner of Taco Tuesday! And thanks to @Kristjan Geir Mathiesen - Origo for sharing the picture of Taco having fun with his new friend...
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