Quotation marks in translatable strings need fixing (wrong encoding, wrong style for English)
Translatable strings like https://translate.ubports.com/translate/ubports/teleports/en/?checksum=7e60d51a4c4882e1 use the wrong characters to represent quotation marks. I get that the intention was to use the guillemets that are the norm in Spanish translations, but using << >> in place of « » looks wrong, and is not the right style in English. (Each language uses different styles of quotation marks.)
The source strings should use “ ”.