What you need to know about Garuda Indonesia mobile apps
Garuda Indonesia provides an iOS app that is compatible with iPhone, iPod, and iPad.
For Garuda Indonesia Garuda Miles members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
Garuda Indonesia has an Android app that works with most Android tablets, phones, and some Android Wear devices. Perhaps standard practice these days, the Android app offers the same functionality as the iOS app from Garuda Indonesia.
If you're just looking for their mobile site, you can head on over to http://www.garuda-indonesia.com on your mobile device.