Why is gomobile really useful?

Question

go

I remember in the summer there was one video ... Here it is! Where a wonderful one person told how much can be done with Go 1.5 in mobile development. And for Android to cut tasty things, and for iOS.
I want to note that I do not program in Go, I'm just interested in this language.
And what? Where is this support? Maybe due to lack of time and attention, I missed something in the wilds of new enthusiastic information about this language?
In short, how real and what can the wonderful Go language be used for? And most importantly , WHY , if there is Java / C / C ++ / Kotlin (here we are talking only about my beloved Android with all my heart).

Answer 1

Yes, it appeared, what is useful you can read here habrahabr.ru/post/260609

Answer 2

You can compile one code for all platforms (windows, linux, poppy, android and others) and it will work without "dancing with a tambourine". Just corrected the GUI and prod. And the CC code should be written for each platform almost from the very beginning. And under the poppy, in general, teach them object C

Answer 3

Kind of like NodeJS. Why do you need toy javascript on the server? Just to write a system in one language without thinking where the specific code will be executed on the server or on the client and not bother with heterogeneous abstractions.