Article Language list have radio buttons. The user has to select the target language then click "done" to leave the menu. This is one more click than the equivalent action in KaiOS.
When CSK is pressed, the selected language becomes active and the user goes back to the previous screen.
For the search language, the user should be back to the settings screen.
For the article language, the user should see the same article in the target language (or the loading screen, briefly).