You are supposed to use the bat to install to your devices, since it not only install the apk but also copy the obb file for you. ( Or you can manually copy the .obb file to your device following what the .bat file do)
You are supposed to use the bat to install to your devices, since it not only install the apk but also copy the obb file for you. ( Or you can manually copy the .obb file to your device following what the .bat file do)