You can easily change the App language by following these steps:
For iOS:
On your iPhone, open your Settings app.
Scroll down until you see the MyMalls App and select it.
Tap on 'Language'.
Choose your preferred language.
And you're done!
For Android:
On your Android phone, open your Settings app.
Tap System Languages & input. App languages.
Select the MyMalls App.
Choose your preferred language.
And you're done!