How to start learning android game development?

Question

Java

I am a bit familiar with android development. Decided to do game development.
Where to start learning android game development if you know a little about android interface development?
And the second question, is it necessary to learn shaders?

Answer 1

libGDX...

Answer 2

1. From learning English. All game design articles in English. language. As well as documentation for the technologies used in the same language.
2. And the engine, if you have worked with Java before, of course - LibGDX. If you also know C#, then it will be more promising to choose - Unity.
Good luck!