Here is what Steam has to say about the different versions.
GameMaker: Studio is the perfect tool to develop casual and social games for iOS, Android, desktop and the web.
GameMaker: Studio™ Android
GameMaker: Studio™ makes it easy to develop for Android by streamlining the process of ensuring your app's compatibility with the different hardware and screen resolutions across the entire range of Android handsets, tablets and other devices.
GameMaker Studio Android is $300, while GameMaker: Studio Professional is only $99.
I was just curious if spending $300 was advised.

Thanks for the speedy response.