The latest info on EVA Air mobile apps
The iOS apps from EVA Air will work with all of your Apple devices, from iPad to iPhone
For EVA Air Infinity MileageLands Program members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
EVA Air has an Android app that works with most Android tablets, phones, and some Android Wear devices. You can get the same stuff done on the Android app as you can on the iOS app for EVA Air.
If you're just looking for their mobile site, you can head on over to http://www.evaair.com on your mobile device.