Someone wanted to learn this too, so Grasp built them a personal learning path.
Create your ownGame Development
Module 1
Module 2
Building the Top-Down Arena
Module 3
Local Combat and Match Rules
Module 4
Android Touch Controls and Interface
Module 5
Real-Time Multiplayer Foundations
Module 6
Authoritative Networked Combat
Module 7
Join Codes, Android Builds, and Final Testing