The latest info on Norwegian Air Shuttle mobile apps
There is an iOS app from Norwegian Air Shuttle which will work on your iPhone, iPod, or iPad.
For Norwegian Air Shuttle Norwegian Reward members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
The Android apps from Norwegian Air Shuttle work with all Android phones and tablets from various manufacturers (Samsung, LG, Google, etc.), and Android Wear watches might also be compatible. As you might expect, the Android app from Norwegian Air Shuttle has the same familiar functions as the iOS app.
Also take a look at Norwegian Air Shuttle's website by clicking here — you should be able to do what you need there.