Talking about apps I would recommend MosaLingua (digiSchool), it helps me for English and Spanish.
It’s mainly design to learn vocabulary (spaced repetition), the app is free, only class/courses may required a subscription.
Answering your initial question you can select the “native” language you want, but I’m afraid you won’t find your mother tongue.
As this is not mentioned, is it possible to extend the system by collecting rainwater falling on solar panels ?