The answer is " Android Emulator Faster, More Capable ".
How to Start Intel Hardware-assisted Virtualization (hypervisor) on Linux to Speed-up Intel Android x86 Emulator
The Intel Hardware Accelerated Execution Manager (Intel® HAXM) is a hardware-assisted virtualization engine (hypervisor) that uses Intel Virtualization Technology (VT) to speed up Android app emula
With Google’s recent release of the NDK (r6), it is now possible build Android application for x86 processors in addition to ARM.
This is an translation of a very popular Chinese Blog wrote by iamsheldon on Chinese Intel Software Network.