Language doesn't changes in the app

Expected behavior

When changing the language in the that app from the settings , that language of the app was supposed to change

Actual behavior

The language of the app doesn't change .

How to reproduce

Download the app

Lunch the app

Go to settings

Go to language setting

Select User define mode

Change the language

• Browser: v0.8.0
• Operating system: android 8.1.0 Model : Pixel XL

Recording Of The Bug