Google Translate uses machine translation, which can provide good results for common topics. UI messages tend to be short and context-specific, so using machine translation alone (i.e. without review by a fluent speaker of the target language) may cause usability problems.
Consider using a human translation service for your app's UI and Store Listing.
Why use human translations
Professional translators consider several factors when translating:
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the target audience
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the context in which the text strings will appear (surrounding UI, and available space)
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nuances specific to the country or the language
Use Google Play App Translation service
For your convenience, Google Play provides professional, human app translation services integrated directly into the Play Console.