Harmony OS Vs Android Comparison It isn’t based on Linux kernel The key difference between HarmonyOS and Android is that it does not include Linux at its heart. For his future operating system, Huawei has created a completely new microkernel. Richard Yu, Chief Executive Officer of Huawei’s Consumer Division, compared HarmonyOS with Fuchsia OS, a new development based on the Zircon microkernel of Google. A microkernel is smaller than a monolithic (like Linux) kernel, as it only contains the minimum quantity of code required to run the operating system. The Huawei microkernel has approximately 1