Apps and games automatically in wrong language
App's text localization works like this: The App retrieves the device's languages preferences order and appropriately displays the App's text in the first language that matches any of the ones that the App has implemented.   

So, at some point you probably changed your device's language to Russian, an it stuck as the secondary language. This means that as the App lacks the localized text in your primary language, Norwegian in this case, it displays it in the next possible language based on your preferences.

Before iOS 7, English was the device's unchangeable secondary language, but now it gets reordered with every language change you perform. So, you'll just have to rearrange the languages in your desired order. To do so just:


Go to Settings / General / International / Language
Select English or any other language you'll be comfortable with as a secondary one.
Tap Done
Once the device's language has been changed, change it back to Norwegian