First either adjust a.cmd to have correct paths to Android SDK, Android NDK and Java SDK or set them in environment variables. Then set APK varible to desired apk package name. Use Android SDK to install build-tools and platform SDK.

Now you can use a.cmd to build, install and run the application:

a [command] By default build, install and run .apk file. Optional [command] is: run - only install and run .apk file build - only build .apk file remove - remove installed .apk install - only install .apk file on connected device launch - ony run already installed .apk file log - show logcat