Maybe you can put all elements from screen that selects language on a column/row, then set its visibility to FALSE …
Then check at the start of that screen if stored variable that keeps language is NULL or not…
If it is, visibility of that column/row will turn to TRUE, if not, just navigate to the next translated screen … 
Im using for selecting language one single stored variable that takes the value “en”, “ro”, “fr”, and so on, depending of what buton is selected…
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