Hi @DevYB
Thank you for using FileTools 
But instead of using FilesList you can use FileListFromAssets.
Also both file extensions will work similarly in apk (both can get file list from assets in apk) but TaifunFile can’t get file list from assets during live test.
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Thank you very much, I didn’t know about this thing.
I edited my first post.
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@Point
thanks for this excelent TUT 
it work well on first attempt.
I have two questions:
-
on “Button” although html is is checked >br> is accepted in designer, but using “json file”
is not considered. How can i solve this? -
how can i add text notifications to translation string?
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Hey! Glad to see you love my explanation!
Regarding the first question: I didn’t quite understand what the question was
For the second question: The number is the number of each string, you can change the names of the strings to the text you want them to be translated.
thanks for your answer,
and sorry for my my bad description.
first question is solved, it was my fault…
second question, i´ll try to describe it better,
for “labels” and “text boxes” i find a “set block” linkage with a selecting list of all available texts to assign them to a string for translation 
but since now for “Notifier text” i couldn´t find a “set block” with my notifier messages.
How can i add my 3 different messages to my blocks?
Sorry guys I’m unable to make this work, I’ve done the same and I get the message “There was a problem to get the string ‘String1’. Make sure on your side is all correct.”
Can anyone help me please ?
Are you testing on Companion?
yes with companion…
If it’s not the good way, please tell me how to test.
I use FileTools extension
If not with companion then last way is with apk 
Well, we’ve already talked about it
Did you try to install the application on the device and test?
It’s ok, I succeed to make it work. Actually I haven’t seen the hidden picture in the “Blocks” container in the above post 
Thanks again
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How? ,…
i checked whole site, where is link to extension?
If you searched it you would have found it. Scroll to the end of the page App Inventor Extensions: File | Pura Vida Apps
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how to “put the translation files into the application”
You need to add them to assets
It looks like your idea works on the phenomena of word to word translation creation. Is this true?
I use data from airtable, so i dont think if this method will be effective for me.
What data?
Some paragraphs
If this is data that is aimed at a particular language then you can create several such paragraphs for each language and then get the paragraph to the user’s language