The language of the in-game questions is determined by the language of the device you are playing from.
Depending on the device you use, these settings may vary. To change the language from your device, we recommend you follow these steps:
From your device, go to Settings > General > Language & Region > [Device] Language, then select the desired language from the list.
You will receive an alert to confirm the selection of the new language; touch the first option.
From your device, go to Settings > Additional settings > Languages and inputs > Languages, then select the desired language from the list.