wˈʌn ˈɪnstəns ʌv ðɪs fˈiːtʃɚɹ ɪz tʃˈeɪndʒɪŋ ðə lˈæŋɡwɪdʒ ɪnðə juː tˈuːb ˈæp fɹʌm ɐmˈɛɹɪkən ˈɪŋɡlɪʃ tə spˈænɪʃ.
One instance of this feature is changing the language in the YouTube app from American English to Spanish.