This android app was mentioned in
with an average of
On the companion app's store page there is an image of the Sweet Business with 600 attack, might just be a placeholder. Link
I mentioned that in this thread. There's also an image of a weapon with 600 Attack on the Destiny Companion app.
Destiny2's companion app.
You can hot swap gear between characters or your bank. Otherwise youd have to leave your current planet and change the character, travel to the "bank planet" put the item in the bank, change character again, travel to bank planet and retrieve item.
Gift of the gods really.
The official Destiny one will obviously be the one made by Bungie.
The Fifa one is the Fifa 16 Companian App made by EA.
It looks like that one can be found here.
I'm not seeing unlockable content through the companion app though. Is that a feature not listed in the description or is it just for social functions and checking on gear?
Destiny Companion App. Should be the first one that comes up.
There's the Android one
And there's Apple
Official Destiny 2 Companion
The official Destiny App.
Google store link