Add "app_welcome" as a new string resource for this purpose.
BTW, add the translation for this new resource in French.

And move away app bar from the scroll view. It is already the case in
main activity for example.
Also remove ConstraintLayout nesting Button which seems a bit
superfluous.

It should fix display issue for small screens.
Position of the Done button has also been changed, moving from stuck
to bottom right to simply bottom of content.

Add same behavior on long click on token item than click on its icon.

Hyperlink in backup fragment during on boarding was not correctly
displayed. Use HtmlCompat.fromHtml() to create a spanned text to fix the
issue.

With HtmlCompat.fromHtml() managing API level itself.