What you need to know about Gol Airlines mobile apps
Gol Airlines provides an iOS app that is compatible with iPhone, iPod, and iPad.
For Gol Airlines Smiles Program 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, Gol 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 Gol Airlines.
Also take a look at Gol Airlines's website by clicking here — you should be able to do what you need there.