Should I write games in libgdx?

Question

Mobile development

I think to start writing games for android. The main thing is that it is Free and preferably on java. I thought about the libgdx framework.
1) Your feedback about it
2) Where can I get lessons in Russian
If libgdx is not very good, then what alternative is better to use for gamedev on android and preferably ios?

Answer 1

I have a working source for an early version of ProjectZomboid. This library is used there. I can drop if you want

Answer 2

unity rules the ball

Answer 3

1) For 2D it's great, but you need to at least understand OpenGL a little, I tried it only for android on iOS did not collect.
For 3D, not very good, they constantly cut and refactor it.