The latest info on China Airlines mobile apps
The iOS apps from China Airlines will work with all of your Apple devices, from iPad to iPhone
For China Airlines Dynasty Flyer members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
As the most popular mobile platform in the world, China Airlines has taken notice of Android and provided an app for most Android devices. Perhaps standard practice these days, the Android app offers the same functionality as the iOS app from China Airlines.
Also take a look at China Airlines's website by clicking here — you should be able to do what you need there.