What you need to know about Malaysia Airlines mobile apps
There is an iOS app from Malaysia Airlines which will work on your iPhone, iPod, or iPad.
For Malaysia Airlines Enrich members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
Malaysia Airlines has an Android app that works with most Android tablets, phones, and some Android Wear devices. As is often the case, the Android app offers the same functionality as the iOS app.
Also take a look at Malaysia Airlines's website by clicking here — you should be able to do what you need there.