Google launched its first version of Android in 2009. Based on a modified Linux kernel and other open source software, Android provides the operating system for mobile phones, tablets, televisions, cars, wrist watches, and many other devices including digital cameras, game consoles, PCs, and personal video recorders. By 2017, Android had become the best-selling operating system in the world, with over 2 billion monthly active users. Even in 2009, critics warned that the operating system, which…