A308 Please follow the instructions below for each device.
Android smartphone and tablet :
1) Swipe in from the left edge to show the menu.
2) Tap [Settings] > [General] > [Language/region for recommended feeds].
1) Swipe in from the right edge to show the app settings.
2) Tap [Settings] > [Options] > [General] > [Language/region for recommended feeds].
In some countries, news feeds recommended in "Featured" or each category section might be provided in English, not in local language.
"Most popular" section is basically based upon local news feeds.