Required tools
- Java should be installed from Oracle website. Check Official documentation for required Java OpenJDK version.
- Android SDK and JDK should be installed through the Android Studio
Check Official documentation for required version of individual tools.
Linking tools to Unreal Engine
In Unreal Engine, Edit→Project Settings→Android SDK (Platforms section)
ADB (Android Debug bridge)
Do not forget to have installed adb tool as well.