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.
Norwegian Reward members will also be able to use the app to manage their profile, view account activity, and more right from the app.
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. Perhaps standard practice these days, the Android app offers the same functionality as the iOS app from Norwegian Air Shuttle.
Also take a look at Norwegian Air Shuttle's website by clicking here — you should be able to do what you need there.