What differentiates Smart Ga Ga from Bluestacks? What differs Smart Ga Ga from Bluestacks: 1 - Latest version VS Basic version: Smart Ga Ga has version 7 for Android while Bluestacks has the latest Android version. 2 - Low size: The size of Smart Ga Ga is low however it could result in as Bluestacks blue screen for your PC so be aware of this point. 3 - Free Fire: Even you could with low PC RAM install free fire for smart ga ga unlike blue stacks requiring a lot of RAM and Windows requirements.